BGS mineralogy and petrology collection record

Sample number S21820
Sample Donor Richey, James E.
Rock name 'Original entry: Ophitic Olivine-Dolerite'
Stratigraphy Not entered
Comments Cone sheet near gabbro junction; Memoir, p. 191
Locality details 800 yds W 10 deg S of Greadal Fhinn (chambered cairn)
50k map sheet Coll (51)

View images in GeoScenic related to 'Coll'

View the geology near 'Coll'

Map reference NM 4698 6386
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


S21820

Cross Polarized, S21820

Plane Polarized, S21820

Plane Polarized, S21820