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Full listing of The British Geological Survey Rock Collections

Sample ids Locality Sample number Donor Year Rock name
E17313; COLLNOTJ1392; Withnoe Down Qry. 1/4 ml S of Withnoe Farm E17313; COLLNOTJ1392; * Rhyolite. 'Original entry: Biotite Rhyolite'
E17314; COLLNOTJ1395; Withnoe Qry. 1/4 ml S of Withnoe Farm E17314; COLLNOTJ1395; * Rhyolite. 'Original entry: Biotite Rhyolite'
E60427; E60427/A; E60427/B; COLLNOBARD A; Bardon Hill Qry. E60427; E60427/A; E60427/B; COLLNOBARD A; * Rhyodacite. 'Original entry: Rhyodacite'
E60428; COLLNOBARD B; Bardon Hill Qry. E60428; COLLNOBARD B; * Rhyodacite. 'Original entry: Rhyodacite'
E60429; COLLNOBARD B2; Bardon Hill Qry. E60429; COLLNOBARD B2; * Rhyodacite. 'Original entry: Rhyodacite'
E60430; COLLNOBARD C; Bardon Hill Qry. E60430; COLLNOBARD C; * Rhyodacite. 'Original entry: Rhyodacite'
E7638; COLLNOA66; Road N of Rhydwen, Dolgelly E7638; COLLNOA66; * Rhyolite. 'Original entry: Rhyolite'
E7640; COLLNOA80; Near source of Nant y Cennant, Dolgelly E7640; COLLNOA80; * Rhyolite. 'Original entry: Rhyolite'
E7647; COLLNOA179; S side of Mynydd Gadder, Dolgelly E7647; COLLNOA179; * Rhyolite. 'Original entry: Rhyolite'
E7648; COLLNOA183; Near Little Ponds, Mynydd Gadder, Dolgelly E7648; COLLNOA183; * Rhyolite. 'Original entry: Rhyolite'
E7649; COLLNOA185; Mynydd Gadder, Dolgelly E7649; COLLNOA185; * Rhyolite. 'Original entry: Rhyolite'
E16560; COLLNOA67; Road N of Rhyd Wen E16560; COLLNOA67; * Rhyolite. 'Original entry: Rhyolite'
E16562; COLLNOA69; E of the Road N of Rhyd Wen E16562; COLLNOA69; * Rhyolite. 'Original entry: Rhyolite'
E16577; COLLNOA104; Source of stream between Tan y Gaden and Gill Farmyard E16577; COLLNOA104; * Rhyolite. 'Original entry: Rhyolite'
E16580; COLLNOA112; Below E end of Mynydd Gader E16580; COLLNOA112; * Rhyolite. 'Original entry: Rhyolite'
E16584; COLLNOA120; Foot of W end of Mynydd Gader E16584; COLLNOA120; * Rhyolite. 'Original entry: Rhyolite'
E16589; COLLNOA127; E of Llynan Mynydd E16589; COLLNOA127; * Rhyolite. 'Original entry: Rhyolite'
E16652; COLLNOA257; Mynydd Gader E16652; COLLNOA257; * Rhyolite. 'Original entry: Rhyolite'
E16660; COLLNOA272; W of Little Ponds, Mynydd Gader E16660; COLLNOA272; * Rhyolite. 'Original entry: Rhyolite'
E16665; COLLNOA282; Penrhyn Gwyn E16665; COLLNOA282; * Rhyolite. 'Original entry: Rhyolite'
E16666; COLLNOA290; SW boder of Mynydd Gader E16666; COLLNOA290; * Rhyolite. 'Original entry: Rhyolite'
E16597; COLLNOA149A; ENGLAND. Barmouth (149) E16597; COLLNOA149A; * Rhyolite. 'Original entry: Rhyolite'
E16622; COLLNOA189; Mynydd Gader, SE end. E16622; COLLNOA189; * Rhyolite. 'Original entry: Micropaciletic Rhyolite'
COLLNO1; ED7344; BOTSWANA. COLLNO1; ED7344; * Rhyolite. 'Original entry: Rhyolite'
S96993; COLLNOSR333; Beinn nan Stac, Rum S96993; COLLNOSR333; *; *; Rhyodacite. 'Original entry: Rhyodacite'
S96983; COLLNOSR248; Compass Hill, Canna S96983; COLLNOSR248; *; *; Rhyodacite. 'Original entry: Rhyodacite'
S97008; COLLNOSR486; Meall Breac, Rum S97008; COLLNOSR486; *; *; Rhyodacite. 'Original entry: Rhyodacite'
S97015; COLLNOSR526; Sandy Corrie, Dibidil, Rum S97015; COLLNOSR526; *; *; Rhyodacite. 'Original entry: Rhyodacite'
S97046; COLLNODU9870C; N of West Minishal, Rum S97046; COLLNODU9870C; * Rhyodacite. 'Original entry: Rhyodacite'
S97061; COLLNODU13876; Beinn nan Stac summit, Rum S97061; COLLNODU13876; * Rhyodacite. 'Original entry: Rhyodacite'
E67340 Gilfach Farm No. 2 BH. 1 Km 324 deg from Gilfach Fm. 2.5 Km N of Llanwrtyd Wells E67340 * Rhyodacite.
E14656; COLLNOSEH202; 700 yds SW of Outfall stream joining Dale Beck E14656; COLLNOSEH202; * Rhyolite. 'Original entry: Rhyolite'
E14655; COLLNOSEH201; Roadside, 1600 yds SSE of Nether Row E14655; COLLNOSEH201; * Rhyolite. 'Original entry: Rhyolite'
E14625; COLLNOSEH171; Mine dump, 200 yds S of Potts Gill E14625; COLLNOSEH171; * Rhyolite. 'Original entry: Rhyolite'
E15838; COLLNOFMT143; 870 yds E 10 deg S of Stockdale E15838; COLLNOFMT143; * Rhyolite; Tuff;. 'Original entry: Rhyolite'
E18143; COLLNOWCCR202; Hestham Qry. 400 N of Hestham E18143; COLLNOWCCR202; * Rhyodacite. 'Original entry: Plagiophyre'
E17458; COLLNOWCR168; Quarry 640 yds S of Murthwaite Bridge E17458; COLLNOWCR168; * Rhyodacite. 'Original entry: Plagiophyre'
E14542; COLLNOFMT68; In stream, 300 yds S of Norman E14542; COLLNOFMT68; * Rhyolite. 'Original entry: Rhyolite'
E1141 Copper Mine Valley; N of Coniston E1141 * Rhyolite. 'Original entry: Rhyolite'
E52955; COLLNOLA753; 1200 Yds. at 108 deg. from Hafotty Lletty-wyn. E52955; COLLNOLA753; * Rhyolite. 'Original entry: Rhyolite'
E52957; COLLNOLA755; 700 Yds. West of Glasgwm. E52957; COLLNOLA755; * Rhyolite. 'Original entry: Rhyolite'
E66221; COLLNOWPR70; 310 m. NNW. of Spot height 766 m. (Craig Cwm Amarch). E66221; COLLNOWPR70; * Rhyolite. 'Original entry: Rhyolite'
E66222; COLLNOWPR71; 200 m. NNW. of Spot height 754 m. (Craig Cwm Amarch). E66222; COLLNOWPR71; * Rhyolite. 'Original entry: Rhyolite'
E967 Shilla Mill, next to extreme S. end of quarry. E967 * Rhyolite. 'Original entry: Elvan'
E6754; COLLNO8; Near Collipark Cottages, S. of Christow. E6754; COLLNO8; * Rhyolite. 'Original entry: Elvan'
E7420; COLLNOA33; Careg y Defaid, Pwllheli E7420; COLLNOA33; * Rhyolite. 'Original entry: Rhyolite'
E7621; COLLNOA36; Pen y Chuin, Pwllheli E7621; COLLNOA36; * Rhyolite. 'Original entry: Rhyolite'
E7624; COLLNOA8; Post office, Llanbedrog, Pwllheli E7624; COLLNOA8; * Rhyolite. 'Original entry: Rhyolite'
E591 0.25 miles S. of Moel-y-Menin, Arenig Range. E591 * Rhyolite. 'Original entry: Rhyolite'
E586 W. of Llyn Arenig, 6 miles NW. of Bala. E586 * Rhyolite. 'Original entry: Rhyolite'
E9141; COLLNO4A; Knole Down Quarry. E9141; COLLNO4A; * Rhyolite. 'Original entry: Elvan'
E9143; COLLNO6A; Knole Down Quarry. E9143; COLLNO6A; * Rhyolite. 'Original entry: Elvan'
E585 Y Wenallt, 1 3/4 ml NW of Llanneschllyn E585 * Rhyolite. 'Original entry: Rhyolite'
E7237; COLLNO264; 8. E. of Brandy Brook. E7237; COLLNO264; * Rhyolite. 'Original entry: Rhyolite'
E8898; COLLNO408; Back of cave, Nuns Chapel, St. Davids. E8898; COLLNO408; * Rhyolite. 'Original entry: Rhyolite'
E8899; COLLNO409; Back of cave, Nuns Chapel, St. Davids. E8899; COLLNO409; * Rhyolite. 'Original entry: Rhyolite'
E8900; COLLNO410; Pwll Hendrs, Ramsey Island. E8900; COLLNO410; * Rhyolite. 'Original entry: Rhyolite'
E8910; COLLNO420; Ramsey Island. E8910; COLLNO420; * Rhyolite. 'Original entry: Rhyolite'
E8913; COLLNO423; Pwll Hendro, Ramsey Island. E8913; COLLNO423; * Rhyolite. 'Original entry: Rhyolite'
E8919; COLLNO429; Pointz Castle. E8919; COLLNO429; * Rhyolite. 'Original entry: Rhyolite'
E15939; COLLNOTG168; Pwll Hir, Goodwich, No.5. E15939; COLLNOTG168; * Rhyolite. 'Original entry: Rhyolite'
E9601; COLLNO10; 1. Foel Fawr, (foot of cliff) Ramsey Island. E9601; COLLNO10; * Rhyolite. 'Original entry: Rhyolite'
E9602; COLLNO11; 1. Foel Fawr, (summit) Ramsey Island. E9602; COLLNO11; * Rhyolite. 'Original entry: Rhyolite'
E9592; COLLNO337; 4. Crags on Penrhyn, E. side of Solva Harbour. E9592; COLLNO337; * Rhyolite. 'Original entry: Porphyritic Rhyolite'
E633 Craig Rhiwarth Nr. Llangynnog E633 * Rhyolite. 'Original entry: Rhyolite'
E11171 On Y Garn Mountain (most westerly outcrop) E11171 * Rhyolite. 'Original entry: Rhyolite'
E11172 About 340 yds W of Garn Feifod E11172 * Rhyolite. 'Original entry: Rhyolite'
E11173 About 320 yds NW of Garn Feifod E11173 * Rhyolite. 'Original entry: Rhyolite'
E8833; COLLNO343; Tiot Hill near border of Caernarvon Town. E8833; COLLNO343; * Rhyolite. 'Original entry: Porphyritic Rhyolite'
E609 Near Llanwada,2.5 miles NW of Fishguard. E609 * Rhyolite. 'Original entry: Rhyolite'
E8894; COLLNO404; Church Quarry, St. Davids. E8894; COLLNO404; * Rhyolite. 'Original entry: Rhyolite'
E54856; COLLNOLA996; Maiden Castle. E54856; COLLNOLA996; * Rhyolite. 'Original entry: Rhyolite'
E62907; COLLNOLC998; Troutbeck, N bank at bend in stream E62907; COLLNOLC998; * 1990 Rhyolite.
E62905; COLLNOLC962; Backside Beck, below main fault in volcanics E62905; COLLNOLC962; * 1990 Rhyolite.
E62906; COLLNOLC963; Backside Beck, below main fault in volcanics E62906; COLLNOLC963; * 1990 Rhyolite.
E62902; COLLNOLC959; Stockdale Beck; low in rhyolite E62902; COLLNOLC959; * 1990 Rhyolite. 'Original entry: Rhyolitic Tuff'
E62903; COLLNOLC960; Stockdale Beck; mid. in rhyolite E62903; COLLNOLC960; * 1990 Rhyolite. 'Original entry: Rhyolitic Tuff'
E62904; COLLNOLC961; Stockdale Beck; high in rhyolite E62904; COLLNOLC961; * 1990 Rhyolite. 'Original entry: Rhyolitic Tuff'
E61962; COLLNOMH1563; N of Mynydd Pencoed E61962; COLLNOMH1563; * Rhyolite.
E61964; COLLNOMH1565; S of Twll yr Ogof E61964; COLLNOMH1565; * Rhyolite.
E61616; COLLNOMH1530; S of Dyffrydan E61616; COLLNOMH1530; * Rhyolite.
E62032; COLLNOGW70; 735 m 285 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn. E62032; COLLNOGW70; * Rhyolite.
E62036; COLLNOGW74; 900 m 253 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn. E62036; COLLNOGW74; * Rhyolite.
E61344; COLLNOLC822; Exposure by forestry road at NE end of forest on Broughton Moor E61344; COLLNOLC822; * 1989 Rhyolite; Tuff;.
E61345; COLLNOLC823; Exposure by forestry road at NE end of forest on Broughton Moor E61345; COLLNOLC823; * 1989 Rhyolite; Tuff;.
E7119; COLLNO243; W95. Skomer Island. E7119; COLLNO243; * Rhyolite. 'Original entry: Rhyolite'
E7100; COLLNO224; W59. Skomer Island. E7100; COLLNO224; * Rhyolite. 'Original entry: Rhyolite'
E491 Llanberis Pass, 200 yds higher up than Pass of Pont y Cromleck E491 * Rhyolite. 'Original entry: Rhyolite'
E8845; COLLNO355; Tan Zr Allt E8845; COLLNO355; * Rhyolite. 'Original entry: Porphyritic Rhyolite'
E8876; COLLNO386; E of Dinorwic E8876; COLLNO386; * Rhyolite. 'Original entry: Porphyritic Rhyolite'
E8879; COLLNO389; Llyn Padarn E8879; COLLNO389; * Rhyolite. 'Original entry: Rhyolite'
E1528 Quarry, Roadside, SW of Llyn Padarn E1528 * Rhyolite. 'Original entry: Rhyolite'
E1529 Top of Clegyr Hill, NE side of Llyn Padarn E1529 * Rhyolite. 'Original entry: Rhyolite'
E1531 Top of Clegyr Hill, NE side of Llyn Padarn E1531 * Rhyolite. 'Original entry: Rhyolite'
S74000; COLLNONX1389; S bank, Monynut Water, S of Godscroft (in stream) S74000; COLLNONX1389; * Rhyodacite.
S74030; COLLNONX1481; Whiteadder Water, E bank, downstream of Ellenford S74030; COLLNONX1481; * Rhyodacite.
S74032; COLLNONX1485A; Eye Water, S bank, below Little Dod S74032; COLLNONX1485A; * Rhyodacite.
S74002; COLLNONX1394; Whiteadder Water, below suspension bridge at Elba S74002; COLLNONX1394; * Rhyodacite.
S74003; COLLNONX1395; Whiteadder Water, S bank, at sharp bend below Mumbles Knowe S74003; COLLNONX1395; * Rhyodacite.
S74050; COLLNONX1506; W side Eildon Mid Hill S74050; COLLNONX1506; * Rhyolite.
S74051; COLLNONX1507; W side Eildon Mid Hill S74051; COLLNONX1507; * Rhyolite.
S74052; COLLNONX1508; W side Eildon Mid Hill S74052; COLLNONX1508; * Rhyolite.
S74048; COLLNONX1504; W side Eildon Mid Hill S74048; COLLNONX1504; * Rhyolite.
S74049; COLLNONX1505; W side Eildon Mid Hill S74049; COLLNONX1505; * Rhyolite.
E1439 E of Underwood, N of Ide. E1439 * Rhyolite. 'Original entry: Porphyritic Rhyolite'
E1451 Yeos Farm; between Kenford & Dunchideock E1451 * Rhyolite. 'Original entry: Rhyolite'
E6947; NEG642M; Quarry near Brannel. E6947; NEG642M; * Rhyolite. 'Original entry: Elvan'
E6948 S. of St. Stephens Combe. E6948 * Rhyolite. 'Original entry: Elvan'
E6949 Elvan Quarry, NE. of Sticker. E6949 * Rhyolite. 'Original entry: Elvan'
E6950 Phoebis Point. E6950 * Rhyolite. 'Original entry: Elvan'
E6952 Quarry in Penrice Park. E6952 * Rhyolite. 'Original entry: Elvan'
E5510; COLLNO325; NEG639M; Tremore Quarry (West). (The small quarry). E5510; COLLNO325; NEG639M; * Rhyolite. 'Original entry: Elvan'
E5511; COLLNO326; Tremore Quarry (West). (The small quarry). E5511; COLLNO326; * Rhyolite. 'Original entry: Elvan'
E5512; COLLNO327; NEG644M; Tremore Quarry (West). (The small quarry). E5512; COLLNO327; NEG644M; * Rhyolite. 'Original entry: Elvan'
E5513; COLLNO328; NEG640M; Tremore Quarry (West). (The small quarry). E5513; COLLNO328; NEG640M; * Rhyolite. 'Original entry: Elvan'
E5514; COLLNO329; Tremore Quarry (West). (The small quarry). E5514; COLLNO329; * Rhyolite. 'Original entry: Elvan'
E5515; COLLNO330; Tremore Quarry (Big Quarry). E5515; COLLNO330; * Rhyolite. 'Original entry: Elvan'
E5516; COLLNO331; NEG641M; Little quarry in Bodwannick Wood. E5516; COLLNO331; NEG641M; * Rhyolite. 'Original entry: Elvan'
E11945 Rhiwgoch Silica Qry. & Mine, Blaneau Ffestiniog E11945 * Rhyolite. 'Original entry: Rhyolite'
COLLNOUC224; ED4260; COLLNOUC224; ED4260; Rhyolite. 'Original entry: Rhyolite'
COLLNOUC225; ED4261; COLLNOUC225; ED4261; Rhyolite. 'Original entry: Rhyolite'
COLLNOUC227; ED4263; COLLNOUC227; ED4263; Rhyolite. 'Original entry: Rhyolite'
COLLNOA77; ED2111; COLLNOA77; ED2111; Rhyolite. 'Original entry: Rhyolite'
COLLNOA42; ED2076; SCOTLAND. Kinross (40) COLLNOA42; ED2076; Rhyolite. 'Original entry: Rhyolite'
S74738; COLLNOMY186; Mount Jane, 175m S of old manse S74738; COLLNOMY186; * Rhyodacite.
RC275/17 Liruei RC275/17 Rhyolite. 'Original entry: Comendite'
M3073/2; RC319/8; Sudbury,Ontario M3073/2; RC319/8; Rhyolite. 'Original entry: Rhyolite'
S74861; S74861/B; COLLNOZD828; Swinlees Quarry, SE corner of the large quarry in Carwinning Hill S74861; S74861/B; COLLNOZD828; * Rhyodacite; Rhyolite;.
E4118; COLLNO82; Penhale, Hoblyns Cove. E4118; COLLNO82; * Rhyolite. 'Original entry: Elvan'
E4120; COLLNO84; Cubert, large quarry near Church. E4120; COLLNO84; * Rhyolite. 'Original entry: Elvan'
E4121; COLLNO85; NEG439M; Cubert, Gravel Hill Mine. E4121; COLLNO85; NEG439M; * Rhyolite. 'Original entry: Elvan'
E4122; COLLNO86; Cubert, NW. of Trelaske. E4122; COLLNO86; * Rhyolite. 'Original entry: Elvan'
E4123; COLLNO87; Cliff W. of St. Perans Chapel. E4123; COLLNO87; * Rhyolite. 'Original entry: Elvan'
RC1135/3 Rhyolite. Cronebane Pit, Avoca, ?Spain? RC1135/3 0 Rhyolite. 'Original entry: Rhyolite, Sulphide Minerals'
E3638 Between Wheal Prudence and Hanover Cove. E3638 * Rhyolite. 'Original entry: Elvan'
E3639 Between Wheal Prudence and Hanover Cove. E3639 * Rhyolite. 'Original entry: Elvan'
E14467 Tretheggry. E14467 * Rhyolite. 'Original entry: Elvan'
E58332; E58332/A; E58332/B; COLLNODL1319; Small crag; c. 100 m E of Clulters Cave E58332; E58332/A; E58332/B; COLLNODL1319; * 0 Rhyolite.
E71689; COLLNOCT1791; Tongue Quarry, Kentmere. CT 1791. E71689; COLLNOCT1791; * 1997 Rhyolite.
E72109; COLLNOIY1103; BB08. Wasdale Foot, Shap E72109; COLLNOIY1103; * 1998 Rhyodacite.
E61498; COLLNOLC837; Backside Beck, Cautley area E61498; COLLNOLC837; * 1989 Rhyolite; Tuff;.
E61499; COLLNOLC838; Backside Beck, Cautley area E61499; COLLNOLC838; * 1969 Rhyolite; Tuff;.
E71704; COLLNOCT1807; Bryants Gill, Kentmere. CT 1807. E71704; COLLNOCT1807; * 1997 Rhyolite.
E61494; COLLNOLC833; Backside Beck, Cautley area E61494; COLLNOLC833; * 1989 Rhyolite; Tuff;.
E61495; COLLNOLC834; Backside Beck, Cautley area E61495; COLLNOLC834; * 1989 Rhyolite; Tuff;.
E61496; COLLNOLC835; Backside Beck, Cautley area E61496; COLLNOLC835; * 1989 Rhyolite; Tuff;.
E61497; COLLNOLC836; Backside Beck, Cautley area E61497; COLLNOLC836; * 1969 Rhyolite; Tuff;.
E72293; COLLNOCT1867; Raven Crag, Longsleddale. Sample No. CT 1867. E72293; COLLNOCT1867; * 1998 Rhyolite; Tuff;.
E72295; COLLNOCT1869; Goat Scar, Longsleddale. Sample No. CT 1869. E72295; COLLNOCT1869; * 1998 Rhyolite; Tuff;.
E72287; COLLNOCT1861; Brown Crag, Longsleddale. Sample No. CT 1861. E72287; COLLNOCT1861; * 1998 Rhyolite; Tuff;.
E72288; COLLNOCT1862; Goat Scar, Longsleddale. Sample No. CT 1862. E72288; COLLNOCT1862; * 1998 Rhyolite; Tuff;.
E72289; COLLNOCT1863; Goat Scar, Longsleddale. Sample No. CT 1863. E72289; COLLNOCT1863; * 1998 Rhyolite; Tuff;.
E72290; COLLNOCT1864; Goat Scar, Longsleddale. Sample No. CT 1864. E72290; COLLNOCT1864; * 1998 Rhyolite; Tuff;.
E72291; COLLNOCT1865; Raven Crag, Longsleddale. Sample No. CT 1865. E72291; COLLNOCT1865; * 1998 Rhyolite; Tuff;.
E72292; COLLNOCT1866; Raven Crag, Longsleddale. Sample No. CT 1866. E72292; COLLNOCT1866; * 1998 Rhyolite; Tuff;.
E72281; COLLNOCT1855; Raven Crag, Longsleddale. Sample No. CT 1855. E72281; COLLNOCT1855; * 1998 Rhyolite; Tuff;.
E72283; COLLNOCT1857; Kentmere Pike, Longsleddale. Sample No. CT 1857. E72283; COLLNOCT1857; * 1998 Rhyolite.
E72284; COLLNOCT1858; Raven Crag, Longsleddale. Sample No. CT 1858. E72284; COLLNOCT1858; * 1998 Rhyolite; Tuff;.
E72285; COLLNOCT1859; Raven Crag, Longsleddale. Sample No. CT 1859. E72285; COLLNOCT1859; * 1998 Rhyolite; Tuff;.
E72286; COLLNOCT1860; Snow Cove Gill, Longsleddale. Sample No. CT 1860. E72286; COLLNOCT1860; * 1998 Rhyolite; Tuff;.
E72274; COLLNOCT1848; River Sprint, Longsleddale. Sample No. CT 1848. E72274; COLLNOCT1848; * 1998 Rhyolite.
E72275; COLLNOCT1849; River Sprint, Longsleddale. Sample No. CT 1849. E72275; COLLNOCT1849; * 1998 Rhyolite.
E72269; COLLNOCT1843; Hallowbank Quarter, Kentmere. Sample No. CT 1843. E72269; COLLNOCT1843; * 1998 Rhyolite.
E72305; COLLNOCT1879; Buckbarrow Crag, Longsleddale. Sample No. CT 1879. E72305; COLLNOCT1879; * 1998 Rhyolite.
E63603; COLLNOKB603; Cwm Fynhadeg Isaf E63603; COLLNOKB603; Rhyolite. 'Original entry: Rhyolite'
E63604; COLLNOKB604; Cwm Fynhadeg Isaf E63604; COLLNOKB604; Rhyolite. 'Original entry: Rhyolite'
E63314; COLLNOKB314; Llyn Cwm Corseog E63314; COLLNOKB314; Rhyolite. 'Original entry: Rhyolite Composite'
E19372 Lawrence Hill Quarry, Wellington. E19372 Rhyolite. 'Original entry: Rhyolite.'
E13896 Lilleshall Quarry, 150 yards N.W. of church. E13896 Rhyolite. 'Original entry: Rhyolite.'
E63592; COLLNOKB592; Braich tu du E63592; COLLNOKB592; Rhyolite. 'Original entry: Rhyolite'
E63585; COLLNOKB585; Nant Peris, S side of road E63585; COLLNOKB585; Rhyolite. 'Original entry: Rhyolite'
E63586; COLLNOKB586; W of Clogwyn y geifr E63586; COLLNOKB586; Rhyolite. 'Original entry: Rhyolite'
E63587; COLLNOKB587; Cwm Idwal E63587; COLLNOKB587; Rhyolite. 'Original entry: Rhyolite'
E63589; COLLNOKB589; Cwm Idwal E63589; COLLNOKB589; Rhyolite. 'Original entry: Rhyolite'
E63578; COLLNOKB578; Hafodydd brithion E63578; COLLNOKB578; Rhyolite. 'Original entry: Rhyolite'
E63579; COLLNOKB579; Bryn Gwynant E63579; COLLNOKB579; Rhyolite. 'Original entry: Rhyolite'
E63580; COLLNOKB580; Hen gapel E63580; COLLNOKB580; Rhyolite. 'Original entry: Rhyolite'
E63581; COLLNOKB581; Cwm Patrig E63581; COLLNOKB581; Rhyolite. 'Original entry: Rhyolite'
E63202; COLLNOKB202; Pen Maen Bach, nr tunnel E63202; COLLNOKB202; Rhyolite. 'Original entry: Rhyolite'
E63203; COLLNOKB203; Pen Maen Bach Point E63203; COLLNOKB203; Rhyolite. 'Original entry: Rhyolite'
E63050; COLLNOKB50; Bank of Afon Anafon E63050; COLLNOKB50; Rhyolite. 'Original entry: Rhyolite'
E2701 Warren Hills, Charnwood. E2701 * Rhyolite. 'Original entry: Rhyolitic Rock.'
E63582; COLLNOKB582; Tan yr allt, Nant Peris E63582; COLLNOKB582; Rhyolite. 'Original entry: Rhyolite'
E63583; COLLNOKB583; Cwm Glas Bach, Nant Peris E63583; COLLNOKB583; Rhyolite. 'Original entry: Rhyolite'
E63199; COLLNOKB199; Conwy Mts., N Pen Sychnant E63199; COLLNOKB199; Rhyolite. 'Original entry: Rhyolite'
E63200; COLLNOKB200; Allt Wen, Sychnant, track E63200; COLLNOKB200; Rhyolite. 'Original entry: Rhyolite'
E63201; COLLNOKB201; Sychnant Pass E63201; COLLNOKB201; Rhyolite. 'Original entry: Rhyolite'
E63521; COLLNOKB521; Parc Hafod y Llan E63521; COLLNOKB521; Rhyolite. 'Original entry: Rhyolite'
E63522; COLLNOKB522; Parc Hafod y Llan E63522; COLLNOKB522; Rhyolite. 'Original entry: Rhyolite'
E63516; COLLNOKB516; Craig Cwmdulyn E63516; COLLNOKB516; Rhyolite. 'Original entry: Rhyolite'
E63509; COLLNOKB509; Clogwyn Mawr, Llanberis E63509; COLLNOKB509; Rhyolite. 'Original entry: Rhyolite'
E63584; COLLNOKB584; nr Cyrn Glas E63584; COLLNOKB584; Rhyolite. 'Original entry: Rhyolite'
E63571; COLLNOKB571; Afon cors-y-celyn E63571; COLLNOKB571; Rhyolite. 'Original entry: Rhyolite'
E63572; COLLNOKB572; Afon cors-y-celyn E63572; COLLNOKB572; Rhyolite. 'Original entry: Rhyolite'
E63573; COLLNOKB573; Afon cors-y-celyn E63573; COLLNOKB573; Rhyolite. 'Original entry: Rhyolite'
E63574; COLLNOKB574; Cors-y-celyn E63574; COLLNOKB574; Rhyolite. 'Original entry: Rhyolite'
E63575; COLLNOKB575; Moel Meirch E63575; COLLNOKB575; Rhyolite. 'Original entry: Rhyolite'
E63576; COLLNOKB576; E of cors-y-celyn E63576; COLLNOKB576; Rhyolite. 'Original entry: Rhyolite'
E63577; COLLNOKB577; SE of cors-y-celyn E63577; COLLNOKB577; Rhyolite. 'Original entry: Rhyolite'
E63566; COLLNOKB566; Craig yr hendre E63566; COLLNOKB566; Rhyolite. 'Original entry: Rhyolite'
E63567; COLLNOKB567; Craig yr hendre E63567; COLLNOKB567; Rhyolite. 'Original entry: Rhyolite'
E63570; COLLNOKB570; Maes-ysgoboriau E63570; COLLNOKB570; Rhyolite. 'Original entry: Rhyolite'
E72370; COLLNOCT1070; not recorded E72370; COLLNOCT1070; * 1986 Rhyolite. 'Original entry: Rhyolite'
E12961 Lilleshall Quarry 30 yards N.E. of Monument. E12961 Rhyolite. 'Original entry: Brecciated ?Rhyolite.'
E63523; COLLNOKB523; Parc Hafod y Llan E63523; COLLNOKB523; Rhyolite. 'Original entry: Rhyolite'
E63524; COLLNOKB524; Cocyn Craflwyn E63524; COLLNOKB524; Rhyolite. 'Original entry: Rhyolite'
E63525; COLLNOKB525; Cocyn Craflwyn E63525; COLLNOKB525; Rhyolite. 'Original entry: Rhyolite'
E63526; COLLNOKB526; Castell Emrys E63526; COLLNOKB526; Rhyolite. 'Original entry: Rhyolite'
E63527; COLLNOKB527; Crib Goch, nr Pyg track E63527; COLLNOKB527; Rhyolite. 'Original entry: Rhyolite'
E63528; COLLNOKB528; Crib Goch, nr Pyg track E63528; COLLNOKB528; Rhyolite. 'Original entry: Rhyolite'
E72363; COLLNOCT1061; not recorded E72363; COLLNOCT1061; * 1986 Rhyolite. 'Original entry: Rhyolite'
E72364; COLLNOCT1062; not recorded E72364; COLLNOCT1062; * 1986 Rhyolite. 'Original entry: Rhyolite'
E72365; COLLNOCT1063; not recorded E72365; COLLNOCT1063; * 1986 Rhyolite. 'Original entry: Rhyolite'
E13893 Lilleshall Quarry, 150 yards N.W. of Church. E13893 Rhyolite. 'Original entry: Rhyolite.'
E63257; COLLNOKB257; Bylchau Teyrn E63257; COLLNOKB257; Rhyolite. 'Original entry: Rhyolite'
E72261; COLLNOCT1835; Ullstone Gill, Kentmere. Sample No. CT 1835. E72261; COLLNOCT1835; * 1998 Rhyolite.
E72262; COLLNOCT1836; Hallowbank Quarter, Kentmere. Sample No. CT 1836. E72262; COLLNOCT1836; * 1998 Rhyolite.
E72255; COLLNOCT1829; Hallowbank Quarter, Kentmere. Sample No. CT 1829. E72255; COLLNOCT1829; * 1998 Rhyolite; Tuff;.
E72256; COLLNOCT1830; Hallowbank Quarter, Kentmere. Sample No. CT 1830. E72256; COLLNOCT1830; * 1998 Rhyolite; Tuff;.
E72257; COLLNOCT1831; Ullstone Gill, Kentmere. Sample No. CT 1831. E72257; COLLNOCT1831; * 1998 Rhyolite; Tuff;.
E72258; COLLNOCT1832; Ullstone Gill, Kentmere. Sample No. CT 1832. E72258; COLLNOCT1832; * 1998 Rhyolite; Tuff;.
E72250; COLLNOCT1824; Ullstone Gill, Kentmere. Sample No. 1824. E72250; COLLNOCT1824; * 1998 Rhyolite; Tuff;.
E72251; COLLNOCT1825; Ullstone Gill, Kentmere. Sample No. 1825. E72251; COLLNOCT1825; * 1998 Rhyolite.
E72242; COLLNOCT1816; Kentmere Pike, Kentmere. Sample No. CT 1816. E72242; COLLNOCT1816; * 1998 Rhyolite; Tuff;.
E72243; COLLNOCT1817; Kentmere Pike, Kentmere. Sample No. CT 1817. E72243; COLLNOCT1817; * 1998 Rhyolite; Tuff;.
E63258; COLLNOKB258; Carnedd y Cribau E63258; COLLNOKB258; Rhyolite. 'Original entry: Rhyolite'
E63259; COLLNOKB259; Carnedd y Cribau E63259; COLLNOKB259; Rhyolite. 'Original entry: Rhyolite'
E63260; COLLNOKB260; Carnedd y Cribau E63260; COLLNOKB260; Rhyolite. 'Original entry: Rhyolite'
E63261; COLLNOKB261; Carnedd y Cribau E63261; COLLNOKB261; Rhyolite. 'Original entry: Rhyolite'
E63251; COLLNOKB251; Gallt y Wenallt E63251; COLLNOKB251; Rhyolite. 'Original entry: Rhyolite'
E63252; COLLNOKB252; Gallt y Wenallt E63252; COLLNOKB252; Rhyolite. 'Original entry: Rhyolite'
E63253; COLLNOKB253; Gallt y Wenallt E63253; COLLNOKB253; Rhyolite. 'Original entry: Rhyolite'
E63248; COLLNOKB248; Gallt y Wenallt E63248; COLLNOKB248; Rhyolite. 'Original entry: Rhyolite'
E63249; COLLNOKB249; Gallt y Wenallt E63249; COLLNOKB249; Rhyolite. 'Original entry: Rhyolite'
E63250; COLLNOKB250; Gallt y Wenallt E63250; COLLNOKB250; Rhyolite. 'Original entry: Rhyolite'
E63237; COLLNOKB237; Cae Coch area, forest rd. E63237; COLLNOKB237; Rhyolite. 'Original entry: Rhyolite'
E63238; COLLNOKB238; Cae Coch area, forest rd. E63238; COLLNOKB238; Rhyolite. 'Original entry: Rhyolite'
E63239; COLLNOKB239; Dolgarrog, Afon Ddug E63239; COLLNOKB239; Rhyolite. 'Original entry: Rhyolite'
E63534; COLLNOKB534; Moel Ddu E63534; COLLNOKB534; Rhyolite. 'Original entry: Rhyolite'
E63535; COLLNOKB535; Moel Ddu E63535; COLLNOKB535; Rhyolite. 'Original entry: Rhyolite'
E63529; COLLNOKB529; Crib Goch, nr Pyg track E63529; COLLNOKB529; Rhyolite. 'Original entry: Rhyolite'
E63530; COLLNOKB530; Crib Goch, nr Pyg track E63530; COLLNOKB530; Rhyolite. 'Original entry: Rhyolite'
E72359; COLLNOCT1057; not recorded E72359; COLLNOCT1057; * 1986 Rhyolite. 'Original entry: Rhyolite'
E72246; COLLNOCT1820; Kentmere Pike, Kentmere. Sample No. CT 1820. E72246; COLLNOCT1820; * 1998 Rhyolite; Tuff;.
E72247; COLLNOCT1821; Kentmere Pike, Kentmere. Sample No. CT 1821. E72247; COLLNOCT1821; * 1998 Rhyolite; Tuff;.
E72238; COLLNOCT1812; Brown Howe, Kentmere. Sample No. CT 1812. E72238; COLLNOCT1812; * 1998 Rhyolite; Tuff;.
E72239; COLLNOCT1813; Brown Howe, Kentmere. Sample No. CT 1813. E72239; COLLNOCT1813; * 1998 Rhyolite; Tuff;.
N1009; COLLNORYF158; BH4 (BGS Scot, GW Reg No. 93/6), Machrie area, West Arran N1009; COLLNORYF158; * 1998 Rhyolite. 'Original entry: Felsitic Rhyolite'
N1010; COLLNORYF159; BH3 (BGS Scot, GW Reg No. 93/5), Machrie area, West Arran N1010; COLLNORYF159; * 1998 Rhyolite. 'Original entry: Felsitic Rhyolite'
E63626; COLLNOKB626; Rhwn Gddwyafon E63626; COLLNOKB626; Rhyolite. 'Original entry: Rhyolite'
E63627; COLLNOKB627; Capel Cwm Pennant E63627; COLLNOKB627; Rhyolite. 'Original entry: Rhyolite'
E63615; COLLNOKB615; Crib y ddysgl E63615; COLLNOKB615; Rhyolite. 'Original entry: Rhyolite'
E63607; COLLNOKB607; Cwm Fynhadeg Isaf E63607; COLLNOKB607; Rhyolite. 'Original entry: Rhyolite Clast'
E63608; COLLNOKB608; Cwm Fynhadeg Isaf E63608; COLLNOKB608; Rhyolite. 'Original entry: Rhyolite Clast'
E63609; COLLNOKB609; Cwm Fynhadeg Isaf E63609; COLLNOKB609; Rhyolite. 'Original entry: Rhyolite Clast'
E12970 Lilleshall Quarry hoc 10A 15. E12970 Rhyolite. 'Original entry: Rhyolite.'
E63240; COLLNOKB240; Cae Coch, forest road E63240; COLLNOKB240; Rhyolite. 'Original entry: Rhyolite'
E63220; COLLNOKB220; Foel Lwyd E63220; COLLNOKB220; Rhyolite. 'Original entry: Rhyolite'
E63221; COLLNOKB221; Foel Lwyd, above sheepfold E63221; COLLNOKB221; Rhyolite. 'Original entry: Rhyolite'
E63222; COLLNOKB222; Foel Lwyd, nr sheepfold E63222; COLLNOKB222; Rhyolite. 'Original entry: Rhyolite'
E63223; COLLNOKB223; Foel Lwyd, nr sheepfold E63223; COLLNOKB223; Rhyolite. 'Original entry: Rhyolite'
E63224; COLLNOKB224; Foel Lwyd, nr sheepfold E63224; COLLNOKB224; Rhyolite. 'Original entry: Rhyolite'
E63218; COLLNOKB218; Foel Lwyd E63218; COLLNOKB218; Rhyolite. 'Original entry: Rhyolite'
E63219; COLLNOKB219; Foel Lwyd E63219; COLLNOKB219; Rhyolite. 'Original entry: Rhyolite'
E63319; COLLNOKB319; Cwmorthin E63319; COLLNOKB319; Rhyolite. 'Original entry: Rhyolite Composite'
E63313; COLLNOKB313; Llyn Cwm Corseog E63313; COLLNOKB313; Rhyolite. 'Original entry: Rhyolite Composite'
E63692; COLLNOKB692; Cae canol E63692; COLLNOKB692; Rhyolite. 'Original entry: Rhyolite'
E63693; COLLNOKB693; Cae canol E63693; COLLNOKB693; Rhyolite. 'Original entry: Rhyolite'
E63481; COLLNOKB481; Y Garn E63481; COLLNOKB481; Rhyodacite. 'Original entry: Feldspar Porphyry'
E63483; COLLNOKB483; Rhyd Ddu E63483; COLLNOKB483; Rhyolite. 'Original entry: Rhyolite'
E63042; COLLNOKB42; S. bank, Afon Anafon E63042; COLLNOKB42; Rhyolite. 'Original entry: Rhyolite'
E64406; COLLNOTL37; Nant Peris E64406; COLLNOTL37; Rhyolite. 'Original entry: Rhyolite'
E64407; COLLNOTL38; Nant Peris E64407; COLLNOTL38; Rhyolite. 'Original entry: Rhyolite'
E64408; COLLNOTL39; Blaen y Nant, Llanb. Pass E64408; COLLNOTL39; Rhyolite. 'Original entry: Rhyolite'
E2343 Spinny in field 250 yards south of Beacon Lodge. E2343 * Rhyolite. 'Original entry: Rhyolite.'
E63446; COLLNOKB446; Yr Arddu, Craig y myllt E63446; COLLNOKB446; Rhyolite. 'Original entry: Rhyolite'
E63448; COLLNOKB448; Yr Arddu, Cefn y cerrig E63448; COLLNOKB448; Rhyolite. 'Original entry: Rhyolite'
E63449; COLLNOKB449; Yr Arddu, Cefn y cerrig E63449; COLLNOKB449; Rhyolite. 'Original entry: Rhyolite'
E63180; COLLNOKB180; Braich tu du type section E63180; COLLNOKB180; Rhyolite. 'Original entry: Rhyolite'
E63173; COLLNOKB173; Braich tu du type section E63173; COLLNOKB173; Rhyolite. 'Original entry: Rhyolite'
E63174; COLLNOKB174; Braich tu du type section E63174; COLLNOKB174; Rhyolite. 'Original entry: Rhyolite'
E63175; COLLNOKB175; Braich tu du type section E63175; COLLNOKB175; Rhyolite. 'Original entry: Rhyolite'
E63176; COLLNOKB176; Braich tu du type section E63176; COLLNOKB176; Rhyolite. 'Original entry: Rhyolite'
E63168; COLLNOKB168; Anafon E63168; COLLNOKB168; Rhyolite. 'Original entry: Rhyolite'
E63169; COLLNOKB169; Anafon E63169; COLLNOKB169; Rhyolite. 'Original entry: Rhyolite'
E63165; COLLNOKB165; Anafon E63165; COLLNOKB165; Rhyolite. 'Original entry: Rhyolite'
E63166; COLLNOKB166; Anafon E63166; COLLNOKB166; Rhyolite. 'Original entry: Rhyolite'
E63501; COLLNOKB501; Rhyd Ddu-Llechog E63501; COLLNOKB501; Rhyolite. 'Original entry: Rhyolite Composite'
E63497; E63497/A; E63497/B; E63497/C; COLLNOKB497; Rhyd Ddu-Llechog E63497; E63497/A; E63497/B; E63497/C; COLLNOKB497; Rhyolite. 'Original entry: Rhyolite Composite'
E63142; COLLNOKB142; Waen Bryn Gwenith E63142; COLLNOKB142; Rhyolite. 'Original entry: Rhyolite'
E63144; COLLNOKB144; Dolgarrog E63144; COLLNOKB144; Rhyolite. 'Original entry: Rhyolite'
E63140; COLLNOKB140; Waen Bryn Gwenith E63140; COLLNOKB140; Rhyolite. 'Original entry: Rhyolite'
E63141; COLLNOKB141; Waen Bryn Gwenith E63141; COLLNOKB141; Rhyolite. 'Original entry: Rhyolite'
E63480; COLLNOKB480; Y Garn E63480; COLLNOKB480; Rhyodacite. 'Original entry: Feldspar Porphyry'
E63108; COLLNOKB108; Cwm Idwal/Twll du E63108; COLLNOKB108; Rhyolite. 'Original entry: Rhyolite'
E63109; COLLNOKB109; Cwm Idwal/Twll du E63109; COLLNOKB109; Rhyolite. 'Original entry: Rhyolite'
E2702 Warren Hills, Charnwood. E2702 * Rhyolite. 'Original entry: Rhyolite.'
E63167; COLLNOKB167; Anafon E63167; COLLNOKB167; Rhyolite. 'Original entry: Rhyolite'
E1837 Scar near lane junction, Beacon Hill. E1837 Rhyolite; Tuff;. 'Original entry: Rhyolite.'
E1836 Alderman's Haw. E1836 Rhyolite; Tuff;. 'Original entry: Rhyolite'
E64217; COLLNOKB1217; Croesor E64217; COLLNOKB1217; Rhyolite. 'Original entry: Rhyolite Composite'
E64209; COLLNOKB1209; Craflwyn Hall E64209; COLLNOKB1209; Rhyolite. 'Original entry: Rhyolite'
E63474; COLLNOKB474; Beddgelert forest E63474; COLLNOKB474; Rhyolite. 'Original entry: Rhyolite'
E63475; COLLNOKB475; Beddgelert forest E63475; COLLNOKB475; Rhyolite. 'Original entry: Rhyolite'
E63476; COLLNOKB476; Beddgelert forest E63476; COLLNOKB476; Rhyolite. 'Original entry: Rhyolite'
E63470; COLLNOKB470; Moel yr ogof E63470; COLLNOKB470; Rhyolite. 'Original entry: Rhyolite'
E63471; COLLNOKB471; Moel yr ogof E63471; COLLNOKB471; Rhyolite. 'Original entry: Rhyolite'
E63472; COLLNOKB472; Moel lefn E63472; COLLNOKB472; Rhyolite. 'Original entry: Rhyolite'
E63464; COLLNOKB464; Rhydiau diwaunedd E63464; COLLNOKB464; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63465; COLLNOKB465; Moel Hebog E63465; COLLNOKB465; Rhyolite. 'Original entry: Rhyolite'
E63466; COLLNOKB466; Moel Hebog E63466; COLLNOKB466; Rhyolite. 'Original entry: Rhyolite'
E63338; COLLNOKB338; Bwlch y rhydd E63338; COLLNOKB338; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63347; COLLNOKB347; Cnicht E63347; COLLNOKB347; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63348; COLLNOKB348; Ceseiliau Moelwyn E63348; COLLNOKB348; Rhyolite. 'Original entry: Rhyolite Composite'
E63349; COLLNOKB349; Ceseiliau Moelwyn E63349; COLLNOKB349; Rhyolite. 'Original entry: Rhyolite'
E63351; COLLNOKB351; Ceseiliau Moelwyn E63351; COLLNOKB351; Rhyolite. 'Original entry: Rhyolite Composite'
E63352; COLLNOKB352; Ceseiliau Moelwyn E63352; COLLNOKB352; Rhyolite. 'Original entry: Rhyolite Composite'
E63341; COLLNOKB341; LLyn Croesor E63341; COLLNOKB341; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63342; COLLNOKB342; LLyn Croesor E63342; COLLNOKB342; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63344; COLLNOKB344; Cnicht E63344; COLLNOKB344; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63346; COLLNOKB346; Cnicht E63346; COLLNOKB346; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E64206; COLLNOKB1206; Hafod y Porth Farm E64206; COLLNOKB1206; Rhyolite. 'Original entry: Rhyolite'
E64207; COLLNOKB1207; Hafod y Porth Farm E64207; COLLNOKB1207; Rhyolite. 'Original entry: Rhyolite'
E64208; COLLNOKB1208; Craflwyn Hall E64208; COLLNOKB1208; Rhyolite. 'Original entry: Rhyolite'
E64133; COLLNOKB1133; Sygun Mine E64133; COLLNOKB1133; Rhyolite. 'Original entry: Rhyolite'
E64134; COLLNOKB1134; Sygun Mine E64134; COLLNOKB1134; Rhyolite. 'Original entry: Rhyolite'
E64139; COLLNOKB1139; Cae Loch, Dolgarrog E64139; COLLNOKB1139; Rhyolite. 'Original entry: Basic Tuff'
E63204; COLLNOKB204; Dwygyfylchi, NW Foel Las E63204; COLLNOKB204; Rhyolite. 'Original entry: Rhyolite'
E63639; COLLNOKB639; Moel Perfedd E63639; COLLNOKB639; Rhyolite. 'Original entry: Rhyolite'
E63640; COLLNOKB640; Moel Perfedd E63640; COLLNOKB640; Rhyolite. 'Original entry: Rhyolite'
E63641; COLLNOKB641; Y Dduallt E63641; COLLNOKB641; Rhyolite. 'Original entry: Rhyolite'
E63642; COLLNOKB642; Y Dduallt E63642; COLLNOKB642; Rhyolite. 'Original entry: Rhyolite'
E63643; COLLNOKB643; N of Ty Mawr E63643; COLLNOKB643; Rhyolite. 'Original entry: Rhyolite'
E63945; COLLNOKB945; Crib Goch E63945; COLLNOKB945; Rhyolite. 'Original entry: Rhyolite'
E63943; COLLNOKB943; Cwm Glas E63943; COLLNOKB943; Rhyolite. 'Original entry: Rhyolite'
E63944; COLLNOKB944; Crib Goch E63944; COLLNOKB944; Rhyolite. 'Original entry: Rhyolite'
E63456; COLLNOKB456; Rhydiadau Diwainedd E63456; COLLNOKB456; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63457; COLLNOKB457; Castell E63457; COLLNOKB457; Rhyolite. 'Original entry: Rhyolite'
E63458; COLLNOKB458; Castell E63458; COLLNOKB458; Rhyolite. 'Original entry: Rhyolite'
E63459; COLLNOKB459; Castell E63459; COLLNOKB459; Rhyolite. 'Original entry: Rhyolite'
E63460; COLLNOKB460; Castell, Clogwyn yr Wylfa E63460; COLLNOKB460; Rhyolite. 'Original entry: Rhyolite'
E63291; COLLNOKB291; Nant Mor/Croesor E63291; COLLNOKB291; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63279; COLLNOKB279; Nant Mor/Croesor E63279; COLLNOKB279; Rhyolite. 'Original entry: Rhyolite'
E63280; COLLNOKB280; Nant Mor/Croesor E63280; COLLNOKB280; Rhyolite. 'Original entry: Rhyolite'
E63273; COLLNOKB273; Nant Mor/Croesor E63273; COLLNOKB273; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63274; COLLNOKB274; Nant Mor/Croesor E63274; COLLNOKB274; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63275; COLLNOKB275; Nant Mor/Croesor E63275; COLLNOKB275; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63276; COLLNOKB276; Nant Mor/Croesor E63276; COLLNOKB276; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63268; COLLNOKB268; Nant Mor/Croesor E63268; COLLNOKB268; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63269; COLLNOKB269; Nant Mor/Croesor E63269; COLLNOKB269; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63270; COLLNOKB270; Nant Mor/Croesor E63270; COLLNOKB270; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63271; COLLNOKB271; Nant Mor/Croesor E63271; COLLNOKB271; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63450; COLLNOKB450; Yr Arddu, Cefn y cerrig E63450; COLLNOKB450; Rhyolite. 'Original entry: Rhyolite'
E63451; COLLNOKB451; Bwlch Ehediad E63451; COLLNOKB451; Rhyolite. 'Original entry: Rhyolite'
E63452; COLLNOKB452; Bwlch Ehediad E63452; COLLNOKB452; Rhyolite. 'Original entry: Rhyolite'
E63453; COLLNOKB453; Bwlch Ehediad E63453; COLLNOKB453; Rhyolite. 'Original entry: Rhyolite'
E63454; COLLNOKB454; Bwlch Ehediad E63454; COLLNOKB454; Rhyolite. 'Original entry: Rhyolite'
E63455; COLLNOKB455; Rhydiadau Diwainedd E63455; COLLNOKB455; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63444; COLLNOKB444; Yr Arddu, Llyn yr Arddu E63444; COLLNOKB444; Rhyolite. 'Original entry: Rhyolite'
E63445; COLLNOKB445; Yr Arddu E63445; COLLNOKB445; Rhyolite. 'Original entry: Rhyolite'
E64459; COLLNOTL90; N. ridge of Tryfan E64459; COLLNOTL90; Rhyolite. 'Original entry: Rhyolite'
E64460; COLLNOTL91; N. ridge of Tryfan E64460; COLLNOTL91; Rhyolite. 'Original entry: Rhyolite'
E63272; COLLNOKB272; Nant Mor/Croesor E63272; COLLNOKB272; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63263; COLLNOKB263; Pen y Pass E63263; COLLNOKB263; Rhyolite. 'Original entry: Rhyolite'
E63256; COLLNOKB256; Bylchau Teyrn E63256; COLLNOKB256; Rhyolite. 'Original entry: Rhyolite'
E63315; COLLNOKB315; Llyn Cwm Corseog E63315; COLLNOKB315; Rhyolite. 'Original entry: Rhyolite Composite'
E63043; COLLNOKB43; Afon Anafon E63043; COLLNOKB43; Rhyolite. 'Original entry: Rhyolite'
E64413; COLLNOTL44; Forestry Office, Be. y C E64413; COLLNOTL44; Rhyolite. 'Original entry: Rhyolite'
E64409; COLLNOTL40; Blaen y Nant, Llanb. Pass E64409; COLLNOTL40; Rhyolite. 'Original entry: Rhyolite'
E63041; COLLNOKB41; Afon Anafon E63041; COLLNOKB41; Rhyolite. 'Original entry: Rhyolite'
E63011; COLLNOKB11; Bera Bach, nr. Drosgl pass E63011; COLLNOKB11; Rhyolite. 'Original entry: Rhyolite'
E63297; COLLNOKB297; Nant Mor/Croesor E63297; COLLNOKB297; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63299; COLLNOKB299; Nant Mor/Croesor E63299; COLLNOKB299; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63290; COLLNOKB290; Nant Mor/Croesor E63290; COLLNOKB290; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E72683; COLLNOCT1930; South of Buckborrow, Longsleddale. E72683; COLLNOCT1930; *; *; 1999 Rhyolite. 'Original entry: Rhyolite'
E72684; COLLNOCT1931; South of Buckborrow, Longsleddale. E72684; COLLNOCT1931; *; *; 1999 Rhyolite. 'Original entry: Rhyolite'
E72686; COLLNOCT1933; South of Buckbarrow Crag, Longsleddale. E72686; COLLNOCT1933; *; *; 1999 Rhyolite. 'Original entry: Rhyolite.'
E63363; COLLNOKB363; Garregelldrem E63363; COLLNOKB363; Rhyolite. 'Original entry: Rhyolite Composite'
E63364; COLLNOKB364; Manod Quarry E63364; COLLNOKB364; Rhyodacite. 'Original entry: Feldspar Porphyry'
E64238; COLLNOKB1238; About 50m north of old lead mine E64238; COLLNOKB1238; Rhyolite. 'Original entry: Rhyolite'
E64310; COLLNOKB1310; Pen Morfa E64310; COLLNOKB1310; Rhyolite. 'Original entry: Rhyolite'
E64309; COLLNOKB1309; Tan yr Allt E64309; COLLNOKB1309; Rhyolite. 'Original entry: Rhyolite'
E63358; COLLNOKB358; Ceseiliau Moelwyn E63358; COLLNOKB358; Rhyolite. 'Original entry: Rhyolite Composite'
E14189 Fullbrook Brickworks one mile south of Walsall. E14189 * Rhyolite. 'Original entry: Rhyolite'
E63878; COLLNOKB878; Hafod y porth E63878; COLLNOKB878; Rhyolite. 'Original entry: Rhyolite'
E18177 Erratic boulder 7'x3x2 in lane at point 500 yards W.N.W. of St. James Church, Churchill, E18177 * Rhyolite. 'Original entry: Rhyolitic Tuff'
E63434; COLLNOKB434; Ramsey E63434; COLLNOKB434; Rhyolite. 'Original entry: Porphyritic Rhyolite'
E63440; COLLNOKB440; Yr Arddu E63440; COLLNOKB440; Rhyolite. 'Original entry: Rhyolite'
E63441; COLLNOKB441; Yr Arddu E63441; COLLNOKB441; Rhyolite. 'Original entry: Rhyolite'
E63443; COLLNOKB443; Yr Arddu E63443; COLLNOKB443; Rhyolite. 'Original entry: Rhyolite'
E63427; COLLNOKB427; Fishguard E63427; COLLNOKB427; Rhyodacite. 'Original entry: Rhyodacite'
E63429; COLLNOKB429; Fishguard E63429; COLLNOKB429; Rhyolite. 'Original entry: Rhyolite'
E63430; COLLNOKB430; Fishguard E63430; COLLNOKB430; Rhyolite. 'Original entry: Rhyolite'
E63431; COLLNOKB431; Fishguard E63431; COLLNOKB431; Rhyolite. 'Original entry: Rhyolite'
E63433; COLLNOKB433; Ramsey E63433; COLLNOKB433; Rhyolite. 'Original entry: Porphyritic Rhyolite'
E63414; COLLNOKB414; Arans E63414; COLLNOKB414; Rhyolite. 'Original entry: Rhyolite'
E63415; COLLNOKB415; Arans E63415; COLLNOKB415; Rhyolite. 'Original entry: Rhyolite'
E64349; COLLNOKB1349; Cwm Penmachno - stream section E64349; COLLNOKB1349; Rhyolite. 'Original entry: Rhyolite (Gamallt)'
E64350; COLLNOKB1350; Penmachno slate quarry E64350; COLLNOKB1350; Rhyolite. 'Original entry: Rhyolite (Gamallt)'
E64303; COLLNOKB1303; Cae Uchaf E64303; COLLNOKB1303; Rhyolite. 'Original entry: Rhyolite'
E64302; COLLNOKB1302; Moelwyn Bach E64302; COLLNOKB1302; Rhyolite. 'Original entry: Rhyolite'
E64296; COLLNOKB1296; South of Carreg y Fron E64296; COLLNOKB1296; Rhyolite. 'Original entry: Rhyolite Dyke'
E64301; COLLNOKB1301; Moelwyn Bach E64301; COLLNOKB1301; Rhyolite. 'Original entry: Rhyolite'
E64295; COLLNOKB1295; South of Llynnan Gamallt E64295; COLLNOKB1295; Rhyolite. 'Original entry: Rhyolite'
E64283; COLLNOKB1283; Llyn y Drum E64283; COLLNOKB1283; Rhyolite. 'Original entry: Rhyolite'
E64278; COLLNOKB1278; Foel Gron quarry E64278; COLLNOKB1278; Rhyolite. 'Original entry: Rhyolite'
E64272; COLLNOKB1272; South of Cwt y Bugail E64272; COLLNOKB1272; Rhyolite. 'Original entry: Rhyolite'
E64274; COLLNOKB1274; Upper end of Cwm Teigl E64274; COLLNOKB1274; Rhyolite. 'Original entry: Rhyolite'
E64275; COLLNOKB1275; Carreg y Fron E64275; COLLNOKB1275; Rhyolite. 'Original entry: Rhyolite'
E63413; COLLNOKB413; Arans E63413; COLLNOKB413; Rhyolite. 'Original entry: Rhyolite'
E63393; COLLNOKB393; Lleyn E63393; COLLNOKB393; Rhyolite. 'Original entry: Rhyolite'
E64266; COLLNOKB1266; South South-West of Cwt y Bugail quarry E64266; COLLNOKB1266; Rhyolite. 'Original entry: Rhyolite'
E64267; COLLNOKB1267; Nr track South of Cwt y Bugail E64267; COLLNOKB1267; Rhyolite. 'Original entry: Rhyolite'
E64264; COLLNOKB1264; West of Cwt y Bugail quarry E64264; COLLNOKB1264; Rhyolite. 'Original entry: Rhyolite'
N200; MRPROGKLM1101; Glen Devon area N200; MRPROGKLM1101; *; *; 1988 Rhyodacite. 'Original entry: Lava'
S99995; MRPROGKLM1120; Glen Devon area S99995; MRPROGKLM1120; *; *; 1988 Rhyodacite; Tuff;. 'Original entry: Rhyodacite'
S99996; MRPROGKLM1121; Glen Devon area S99996; MRPROGKLM1121; *; *; 1988 Rhyodacite. 'Original entry: Rhyodacite'
E64286; COLLNOKB1286; North of Craig y Garreg Lwyd E64286; COLLNOKB1286; Rhyolite. 'Original entry: Rhyolite'
E64282; COLLNOKB1282; Llyn y Drum E64282; COLLNOKB1282; Rhyolite. 'Original entry: Rhyolite'
E63884; COLLNOKB884; Hafod y porth E63884; COLLNOKB884; Rhyolite. 'Original entry: Rhyolite'
E64262; COLLNOKB1262; Yr Arddu E64262; COLLNOKB1262; Rhyolite. 'Original entry: Rhyolite'
E64263; COLLNOKB1263; West of Cwt y Bugail quarry E64263; COLLNOKB1263; Rhyolite. 'Original entry: Rhyolite'
E64257; COLLNOKB1257; Clogwyn d,ur Arddu E64257; COLLNOKB1257; Rhyolite. 'Original entry: Rhyolite'
E64258; COLLNOKB1258; Clogwyn d'ur Arddu E64258; COLLNOKB1258; Rhyolite. 'Original entry: Rhyolite'
E63371; COLLNOKB371; Croesor E63371; COLLNOKB371; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63374; COLLNOKB374; Croesor E63374; COLLNOKB374; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E64248; COLLNOKB1248; Forestry loc., Moel Hebog E64248; COLLNOKB1248; Rhyolite. 'Original entry: Rhyolite'
E64249; COLLNOKB1249; WALES. Snowdon (119) E64249; COLLNOKB1249; Rhyolite. 'Original entry: Rhyolite'
E64250; COLLNOKB1250; Mynydd Sygun E64250; COLLNOKB1250; Rhyolite. 'Original entry: Rhyolite'
E64242; COLLNOKB1242; Y Cribau E64242; COLLNOKB1242; Rhyolite. 'Original entry: Rhyolite'
E64243; COLLNOKB1243; Y Cribau E64243; COLLNOKB1243; Rhyolite. 'Original entry: Rhyolite'
E64244; COLLNOKB1244; Forestry loc., Moel Hebog E64244; COLLNOKB1244; Rhyolite. 'Original entry: Rhyolite'
E64245; COLLNOKB1245; Forestry loc.,Moel Hebog E64245; COLLNOKB1245; Rhyolite. 'Original entry: Rhyolite'
E63368; COLLNOKB368; Cnicht E63368; COLLNOKB368; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63369; COLLNOKB369; Cnicht E63369; COLLNOKB369; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63370; COLLNOKB370; Garregelldrem E63370; COLLNOKB370; Rhyodacite. 'Original entry: Feldspar Porphyry Composite'
E63359; COLLNOKB359; Ceseiliau Moelwyn E63359; COLLNOKB359; Rhyolite. 'Original entry: Rhyolite Composite'
E63196; COLLNOKB196; Conwy Mt. stone quarries E63196; COLLNOKB196; Rhyolite. 'Original entry: Rhyolite'
E63197; COLLNOKB197; Conwy Mt. stone quarries E63197; COLLNOKB197; Rhyolite. 'Original entry: Rhyolite'
E63198; COLLNOKB198; Pen Maen Bach E63198; COLLNOKB198; Rhyolite. 'Original entry: Rhyolite'
E72989 Calf Cove E72989 * 1989 Rhyolite. 'Original entry: Glassy Rhyolite'
MR1512 St Saviour's Common, Jersey, MR1512 Rhyodacite, Porphyritic. 'Original entry: Quartz-Porphyry'
MR15466 Just east of centre of southface, Quarry at top of Withuse Down a quarter of a mile south of Withuse Farm, Maker Peuinsula, Cornwall, MR15466 1936 Rhyolite. 'Original entry: Purple Rhyolite'
MR15467 Centre of South face, Quarry at top of Withuse Down a quarter of a mile south of Withuse Farm, ? Peuinsula, Cornwall, MR15467 1936 Rhyolite. 'Original entry: Grey Rhyolite'
MR15468 Centre of South face, Quarry at top of Withuse Down a quarter of a mile south of Withuse Farm, ? Peuinsula, Cornwall, MR15468 1936 Rhyolite. 'Original entry: Grey Rhyolite - Nodular Facies'
MR15469 Centre of northern face, Quarry at top of Withuse Down a quarter of a mile south of Withuse Farm, ? Peuinsula, Cornwall, MR15469 1936 Rhyolite. 'Original entry: Elvan - Dyke In Rhyolite'
MR15470 Watergate Quarry,300 yards north of Kingsand Chapel Maker Peuinsular, MR15470 1936 Rhyolite. 'Original entry: Purple Rhyolite With Bleached Spots'
MR15471 Bridgemoor Farm Quarry,Bridgemoor Farm Quarry, 1 mile N.W. of Millbrook, Maker Peuinsular, MR15471 1936 Rhyolite. 'Original entry: Purple Rhyolite - Intermediate Stage - Withnoe-Cawsand'
MR11243 Quarry in Wastor Wood, Kingston, Devon, MR11243 * Rhyolite. 'Original entry: Spherulitic Rhyolite'
MR21060 East side of Quarry on south side of Glen ESE of Buckatree Hall, Ercall Hill, a quarter of a mile east of north end of large reservoir and about 1 and a half miles SSW of station, Wellington, Shropshire, MR21060 Rhyolite. 'Original entry: Purple Rhyolite'
E16275; MR8630; 200 yards SE of British Camp Reservoir, Little Malvern, E16275; MR8630; 1932 Rhyolite. 'Original entry: Epidotised And Brecciated Rhyolite'
MR8631 Overley Hill,NW end of Overley Hill Quarry, 1 and 3/16 mile SW of church, Wrockwardine, MR8631 1931 Rhyolite. 'Original entry: Pink Rhyolite'
MR8633 Overley Hill,S end of Overley Hill Quarry, 1 and 3/16 mile SW of church, Wrockwardine, MR8633 1931 Rhyolite. 'Original entry: Rholite-Breccia'
MR21098 Quarry south of road, a quarter of a mile east of Treneved, Llanrian, Pembrokeshire, MR21098 Rhyolite. 'Original entry: Devitrified Rhyolite'
MR7803 E of Barch, NE of Rock, MR7803 1931 Rhyolite. 'Original entry: Rhyolite'
MR7853 S of road, 1/4 mile E of Trenevid, Llanrian, MR7853 1931 Rhyolite. 'Original entry: Rhyolite, Devitrified'
MR7854 N of road, 1/4 mile E of Trenevid, Llanrian, MR7854 1931 Rhyolite. 'Original entry: Rhyolite'
MR7855 N of road, 1/4 mile E of Trenevid, Llanrian, MR7855 1931 Rhyolite. 'Original entry: Rhyolite, Brecciated'
MR7874 half way up hill leading to Llangynog, Pentre-newydd, MR7874 1931 Rhyolite. 'Original entry: Rhyolite'
MR7875 at Lambstone Farm, NW of Llangynog, MR7875 1931 Rhyolite. 'Original entry: Rhyolite'
MR5415 Lea Rock,Wellington, MR5415 Rhyolite. 'Original entry: Spherulitic Felsite (Altered Rhyolite), "Lea Rock"'
MR21266 Just E of Centre of S face of Quarry at top of Withnoe Down, 1/4 ml S of Withnoe Farm, MR21266 1957 Rhyolite. 'Original entry: Purple Rhyolite'
MR21267 Quarry,Centre of S face of Quarry at top of Withnoe Down, 1/4 ml S of Withnoe Farm, MR21267 1957 Rhyolite. 'Original entry: Grey Rhyolite'
MR21268 Bridgemoore Farm Quarry,1ml NW of Millbrook, MR21268 1957 Rhyolite. 'Original entry: Purple Rhyolite'
MR9228 disused quarry at N end of Cwm-y-glo, Llyn Padarn, MR9228 1932 Rhyolite. 'Original entry: Rhyolite, Undeformed'
MR7091 trachyte quarry by school 3 miles NE of Ballymena, MR7091 1888 Rhyolite. 'Original entry: Rhyolite, With Flow Structure'
MR17799 Quarry,Quarry Town, Nr. Ballymena, MR17799 1946 Rhyolite. 'Original entry: Rhyolite'
MR9960 Ingleton Granite Quarry,on the Ingleton - Hawes road, 1 mile N.E. of Ingleton, Yorkshire,See JFN Green, PGA, 1917, Note on the correlation of the Ingletonian MR9960 1933 Rock, Siliciclastic, Arenaceous. 'Original entry: Decomposed Arkose'
MR5039 Pumiciazzo, Lipari,surface exposure,Italy MR5039 1867 Rock (Undifferentiated).
MR8269 Eisenbach,surface exposure,Hungary MR8269 1931 Rhyolite. 'Original entry: Rhyolite'
MR8270 Apathy,surface exposure,Hungary MR8270 1931 Rhyolite. 'Original entry: Rhyolite'
MR8271 Hlinik,surface exposure,Hungary MR8271 1931 Rhyolitic-Rock. 'Original entry: Rhyolite Porphyry'
MR11985 St Vito, Pantelleria,surface exposure,Italy MR11985 Rhyolite, Pantelleritic. 'Original entry: Pantellenite'
MR11990 Forgio Vecchio, Lipari,surface exposure,Italy MR11990 Rhyolite. 'Original entry: Rhyolite'
MR11992 Cliff near road W of Monte Rosa and SW of Forgio Vecchio, Lipari,surface exposure,Italy MR11992 Rhyolite. 'Original entry: Rhyolite'
MR5402 Hlinik,surface exposure,Hungary MR5402 Rhyolite. 'Original entry: Rhyolite'
MR5403 Kremnitz,surface exposure,Hungary MR5403 Rhyolite. 'Original entry: Rhyolite'
MR5406 Hlinik,surface exposure,Hungary MR5406 Rhyolite. 'Original entry: Rhyolite'
MR4871 W of M Rosa, SW of Forgio Vecchio, Lipari,surface exposure,Italy MR4871 1822 Rhyolite. 'Original entry: Rhyolite'
MR19844 Beach, Cherbourg, Cotentin peninsula,surface exposure,France MR19844 1954 Rock (Undifferentiated).
MR8260 Schemnitz,surface exposure,Hungary MR8260 1931 Rhyolite. 'Original entry: Rhyolite'
MR8261 Geletnek,surface exposure,Hungary MR8261 1931 Rhyolite. 'Original entry: Rhyolite'
MR4979 T?di group, Alps,surface exposure,Switzerland MR4979 1809 Rock (Undifferentiated).
MR4980 T?di group, Alps,surface exposure,Switzerland MR4980 1810 Rock (Undifferentiated).
MR3702 Point Pleasant, Halifax, Nova Scotia,surface exposure,Canada MR3702 1898 Rock (Undifferentiated).
MR8695; F98; Ascension Island,surface exposure,Charles Darwin Collection,Ascension Island MR8695; F98; Darwin ,C. 1836 Rock (Undifferentiated).
MR5389 Summit County, Colorado,surface exposure,USA MR5389 2071 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5391 Apati,surface exposure,Hungary MR5391 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5392 Eisenbach,surface exposure,Hungary MR5392 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5393 Glash?tte,surface exposure,Hungary MR5393 2074 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5394 Santa Maria, Ponza Island,surface exposure,Italy MR5394 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5395 Hlinik,surface exposure,Hungary MR5395 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5396 Hlinik,surface exposure,Hungary MR5396 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Liparite)'
MR5397 Hlinik,surface exposure,Hungary MR5397 Rhyolite. 'Original entry: Rhyolite (Quartz Trachyte, Rhyolite)'
MR5400 Pusti Hrad,surface exposure,Hungary MR5400 Rhyolite. 'Original entry: Rhyolite'
MR5401 Kremnitz,surface exposure,Hungary MR5401 Rhyolite. 'Original entry: Rhyolite'
MR21573 Hot Springs District, Garland County, Arkansas,surface exposure,Roto-Finish Ltd, European Metal Finishing Division,USA MR21573 1958 Rock (Undifferentiated). 'Original entry: Novaculite" - Arkansas Stone'
MR25200 Ongaroto Gorge, near Atiamuri. N84/330684,surface exposure,New Zealand MR25200 1961 Rhyolite. 'Original entry: Rhyolite'
MR25201 Ongaroto Gorge, near Atiamuri. N84/340691,surface exposure,New Zealand MR25201 1961 Rhyolite. 'Original entry: Rhyolite'
MR25204 Lake Rotoiti. N76/899140,surface exposure,New Zealand MR25204 1961 Rhyolite. 'Original entry: Rhyolite'
MR25205 Lake Rotoiti. N76/899140,surface exposure,New Zealand MR25205 1961 Rhyolite. 'Original entry: Rhyolite'
MR25207 Lake Rotoma. N77/024142,surface exposure,New Zealand MR25207 1961 Rhyolite. 'Original entry: Rhyolite'
MR25199 Lake Rotoiti, near Rotorua. N77/924140,surface exposure,New Zealand MR25199 1961 Rhyolite. 'Original entry: Rhyolite'
MR32041 Tongnae,surface exposure,S Korea MR32041 1974 Rock (Undifferentiated). 'Original entry: Orthoclase'
MR35764 Smoljanski Ernera, Rhodope Mountains, Bulgaria,surface exposure,Bulgaria MR35764 * 1982 Rhyolite. 'Original entry: Rhyolite'
MR35474 Waiane range, just off end of homestead road, c 4 miles NE of Waianae PO, Oahu, Hawaii,surface exposure,USA - Hawaii MR35474 1981 Rhyodacite. 'Original entry: Rhyodacite'
MR25210 Rotorua,surface exposure,New Zealand MR25210 1961 Rhyolite. 'Original entry: Rhyolite'
MR25211 Rotorua,surface exposure,New Zealand MR25211 1961 Rhyolite. 'Original entry: Rhyolite'
MR25212 Rotorua,surface exposure,New Zealand MR25212 1961 Rhyolite. 'Original entry: Rhyolite'
MR25213 Rotorua,surface exposure,New Zealand MR25213 1961 Rhyolite. 'Original entry: Rhyolite'
MR25214 Surface exposure, Rotorua, North Island, New Zealand MR25214 1961 Rhyolite. 'Original entry: Rhyolite'
MR22686 Cliffs above Dooey, Rosguill, Co. Donegal,surface exposure,Republic of Ireland MR22686 1960 Rock (Undifferentiated).
MR34616 Monte Louzina Quarry, 3.6km ENE of Teolo, Enganei Hills, Veneto, Italy. SW of Padova.,Monte Louzina Quarry,Italy MR34616 * 1979 Rhyolite. 'Original entry: Alkali Rhyolite'
MR34826 c. 100yds SW of summit of Mt Lassen (10453ft), Shasta County, California,surface exposure,USA MR34826 * 1979 Rhyodacite. 'Original entry: Rhyolite-Dacite'
MR17916 Island of Ornv, Stockholm archipelago,surface exposure,Sweden MR17916 1946 Rock (Undifferentiated).

515 records extracted in 5.83secs.
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