BGS mineralogy and petrology collection record

Sample number S24458
Sample Donor Tyrrell, G.W.
Rock name 'Original entry: Felsite (Acid End Of Craignurite Series)'
Stratigraphy Not entered
Comments Felsite (acid end of Craignurite series), sill, Tertiary
Locality details Waterfall in Allt Dephin 0.5 miles SSW of Loch na Leirg, Whiting Bay
50k map sheet Arran (13)

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Map reference NS 017 265
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


S24458

Cross Polarized, S24458

Plane Polarized, S24458

Plane Polarized, S24458