BGS mineralogy and petrology collection record

Sample number S17956
Sample Donor Richey, James E.
Rock name 'Original entry: Augite Diorite'
Stratigraphy Not entered
Comments Wright's "hybrid", second lowest specimen; Memoir, p. 219
Locality details 1400 yds N of summit of Beinn a' Mheadhoin
50k map sheet Mull (44)

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Map reference NM 5872 3262
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


S17956

Cross Polarized, S17956

Plane Polarized, S17956

Plane Polarized, S17956