BGS mineralogy and petrology collection record

Sample number S15599
Sample Donor Clough, C.T.
Rock name 'Original entry: Non-Porphyritic Augite Andesite (Orig. ?Mugearite)'
Stratigraphy Not entered
Comments Lava, parallel feldspar microliths, sp. gr. 2.81
Locality details 600 ft slightly W of S of trig pt on Cruach Doire nan Cuilean
50k map sheet Mull (44)

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Map reference NM 5700 2849
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


S15599

Cross Polarized, S15599

Plane Polarized, S15599

Plane Polarized, S15599