BGS mineralogy and petrology collection record

Sample number S16620
Sample Donor Richey, James E.
Rock name 'Original entry: Ophitic Olivine-Dolerite'
Stratigraphy Not entered
Comments Sill, 4 ft, dipping 15 deg to SW; Memoir, p. 290
Locality details 1240 yds SE of spot ht 1848 ft An Gearna
50k map sheet Mull (44)

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Map reference NM 5205 3412
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


S16620

Cross Polarized, S16620

Plane Polarized, S16620

Plane Polarized, S16620