BGS mineralogy and petrology collection record

Sample number S18049
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Porphyritic Augite Andesite'
Stratigraphy Not entered
Comments Lava, Derrynaculan Type / Central Type; Memoir, p. 148
Locality details 3600 ft NNW of Beinn a' Bhainne
50k map sheet Mull (44)

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Map reference NM 6237 2299
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


S18049

Cross Polarized, S18049

Plane Polarized, S18049

Plane Polarized, S18049