BGS mineralogy and petrology collection record

Sample number S17955
Sample Donor Richey, James E.
Rock name 'Original entry: Augite Diorite'
Stratigraphy Not entered
Comments Wright's "hybrid", lowest specimen; Memoir, p. 219
Locality details 2300 yds NNW of summit of Beinn a' Mheadhoin
50k map sheet Mull (44)

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Map reference NM 5820 3335
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


S17955

Cross Polarized, S17955

Plane Polarized, S17955

Plane Polarized, S17955