BGS mineralogy and petrology collection record

Sample number S21844
Sample Donor Richey, James E.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Cone sheet cutting S. 21843; Memoir, p. 191
Locality details 800 yds S 15 deg W of Greadal Fhinn (chambered cairn)
50k map sheet Coll (51)

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Map reference NM 4757 6329
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


S21844

Cross Polarized, S21844

Plane Polarized, S21844

Plane Polarized, S21844