BGS mineralogy and petrology collection record

Sample number S18039
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Augite Andesite'
Stratigraphy Not entered
Comments Pillow lava, below S. 18038, cf. S. 17897; variolitic, non-porphyritic- Central Type; Memoir, pp. 149-151 and Fig. 21D
Locality details 1650 ft SE of summit of Beinn Fhada
50k map sheet Mull (44)

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Map reference NM 6437 2936
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


S18039

Cross Polarized, S18039

Plane Polarized, S18039

Plane Polarized, S18039