BGS mineralogy and petrology collection record

Sample number S61900; COLLNOKH1262;
Sample Donor Harrison,R.K.
Rock name 'Original entry: Pink Quartz-Feldspar Porphyry'
Stratigraphy Not entered
Comments Pink quartz-feldspar porphyry vein in granite
Locality details Torran Isalnds; specimen from an un-named island , lying about 1000 yds SE of Torran Sgoilte Lat 56 deg 18' 28"N, 6 deg 22' 51"W
50k map sheet Colonsay (35)

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Map reference NM 284 122
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S61900

Cross Polarized, S61900

Plane Polarized, S61900

Plane Polarized, S61900