BGS mineralogy and petrology collection record

Sample number S15595
Sample Donor Clough, C.T.
Rock name 'Original entry: Basic Porphyritic Andesite; Augite Andesite'
Stratigraphy Not entered
Comments Lava, Derrynaculan Type; sp. gr. 2.92
Locality details 3500 ft WSW by S of Craig
50k map sheet Mull (44)

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Map reference NM 5752 2911
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


S15595

Cross Polarized, S15595

Plane Polarized, S15595

Plane Polarized, S15595