BGS mineralogy and petrology collection record

Sample number S22359
Sample Donor Richey, James E.
Rock name 'Original entry: Granophyric Quartz-Feldspar-Augite Rock With Epidote'
Stratigraphy Not entered
Comments Acid xenolith in quartz-dolerite; portion of a composite intrusion 20 ft wide; Memoir, p. 311
Locality details 1200 yds N 10 deg W of Achosnich
50k map sheet Coll (51)

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Map reference NM 4429 6841
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


S22359

Cross Polarized, S22359

Plane Polarized, S22359

Plane Polarized, S22359