BGS mineralogy and petrology collection record

Sample number S22439
Sample Donor Richey, James E.
Rock name 'Original entry: Contact-Altered Banded Rock'
Stratigraphy Not entered
Comments Mesozoic sediment or basal flow of the series baked by gabbro; Memoir, p. 310
Locality details 600 yds SSE of Rudha Groulin
50k map sheet Coll (51)

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Map reference NM 4704 7063
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


S22439

Cross Polarized, S22439

Plane Polarized, S22439

Plane Polarized, S22439