BGS mineralogy and petrology collection record

Sample number S17898
Sample Donor Clough, C.T.
Rock name 'Original entry: Augite Andesite (Cf. S. 18039)'
Stratigraphy Not entered
Comments Junction of S. 17897 with overlying lava; variolite; Memoir, p. 150
Locality details 4300 ft very slightly N of E of Sron Dubh
50k map sheet Mull (44)

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Map reference NM 6104 2810
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


S17898

Cross Polarized, S17898

Plane Polarized, S17898

Plane Polarized, S17898