BGS mineralogy and petrology collection record

Sample number S21829
Sample Donor Richey, James E.
Rock name 'Original entry: Quartz-Monzonite'
Stratigraphy Not entered
Comments Granite merging to quartz-dolerite, from composite intrusion; Memoir, p. 199
Locality details 350 yds SE of Maol Buidhe
50k map sheet Coll (51)

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Map reference NM 4652 6227
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


S21829

Cross Polarized, S21829

Plane Polarized, S21829

Plane Polarized, S21829