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Sample ids Donor Year Rock name
thin section E1526 Greenly,E. * Not entered 'Original entry: Altered Rhyolite'
Quarry, Roadside, SW of Llyn Padarn
thin section E1527 Greenly,E. * Not entered 'Original entry: Tuff?'
Quarry, Roadside, SW of Llyn Padarn
thin section E1528 Greenly,E. * Not entered Rhyolite. 'Original entry: Rhyolite'
Quarry, Roadside, SW of Llyn Padarn
thin section E1529 Greenly,E. * Not entered Rhyolite. 'Original entry: Rhyolite'
Top of Clegyr Hill, NE side of Llyn Padarn
thin section E1530 Greenly,E. * Not entered 'Original entry: Tuff?'
Top of Clegyr Hill, NE side of Llyn Padarn
thin section E1531 Greenly,E. * Not entered Rhyolite. 'Original entry: Rhyolite'
Top of Clegyr Hill, NE side of Llyn Padarn
thin section E1532 Greenly,E. * Not entered 'Original entry: Feldspathic Rhyolite'
Top of Clegyr Hill, NE side of Llyn Padarn
thin section E510 Ramsey,Professor * Not entered Not entered
SW side of Llyn Padarn, Llanberis
thin section E514 Ramsey,Professor * Not entered Andesite. 'Original entry: Andesite'
Llyn Pen Craig, 1/2 ml N of Betws y Coed
thin section E1511 Greenly,E. * Not entered Dolerite (Synonymous With Microgabbro). 'Original entry: Ophitic Dolerite'
S of Cwim y Glo, Llyn Padarn
thin section E1512 Greenly,E. * Not entered Andesite. 'Original entry: Andesite'
N of Queens Head, Llyn Padarn
thin section E22728, COLLNO2, Dunham,K.C. * Not entered 'Original entry: Micacized Phyllite With Altered Porphyroblast'
Penmaenmawr Quarry. Craiglllwyd Contact.
thin section E22729, COLLNO3, Dunham,K.C. * Not entered Andesite. 'Original entry: Porphyrite'
Penmaenmawr Quarry. Craiglllwyd Contact.
thin section E22730, COLLNO4, Dunham,K.C. * Not entered 'Original entry: Fine Grained Quartz Porphyrite Or Diabase'
Penmaenmawr Quarry. Flagstone working, Craigllwyd.
thin section E22731, COLLNO5, Dunham,K.C. * Not entered 'Original entry: Fine Grained Quartz Porphyrite Or Diabase No Phenocrysts'
Penmaenmawr Quarry. Flagstone working, Craigllwyd.
thin section E22732, COLLNO6, Dunham,K.C. * Not entered 'Original entry: Hornblendic Quartz Diabase'
Penmaenmawr, Bone Jolly Quarry (Disused).
thin section E22733, COLLNO7, Dunham,K.C. * Not entered 'Original entry: Quartz Rich Diabase'
Penmaenmawr Quarry, N. side, Fox Bench.
thin section E22734, COLLNO8, Dunham,K.C. * Not entered 'Original entry: Granophyric Quartz Diabase'
Penmaenmawr Quarry, Fox Bench.
thin section E22735, COLLNO9, Dunham,K.C. * Not entered 'Original entry: Granophyric Quartz Diabase With Amphibole'
Penmaenmawr Quarry, Fox Bench.
thin section E9839, COLLNO51, NEG1088M, Road Board * Not entered 'Original entry: Ashy Grit'
Pit, 350 ft' ENE. of Tyfry.

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