BGS mineralogy and petrology collection record

Sample number S17980
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments Probably dolerite ring-dyke; Sgulan Type; Memoir, pp. 318-319
Locality details 550 yds SSE of summit of Beinn nan Lus
50k map sheet Mull (44)

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Map reference NM 5970 3985
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


S17980

Cross Polarized, S17980

Plane Polarized, S17980

Plane Polarized, S17980