BGS mineralogy and petrology collection record

Sample number S17957
Sample Donor Richey, James E.
Rock name 'Original entry: Augite Diorite'
Stratigraphy Not entered
Comments Wright's "hybrid", second highest specimen; Memoir, p. 219
Locality details 1170 yds N by Wof summit of Beinn a' Mheadhoin
50k map sheet Mull (44)

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Map reference NM 5863 3238
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


S17957

Cross Polarized, S17957

Plane Polarized, S17957

Plane Polarized, S17957