BGS mineralogy and petrology collection record

Sample number S37411; COLLNOSJ417;
Sample Donor Johnstone,G.S.
Rock name 'Original entry: Porphyritic "Felsite"'
Stratigraphy Not entered
Comments Dyke, ?felsite, cuts d ' lavas
Locality details From junction of Greeto and Slanger burns, E 330 yds
50k map sheet Glasgow (30)

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Map reference NS 2525 6217
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


S37411

Cross Polarized, S37411

Plane Polarized, S37411

Plane Polarized, S37411