BGS mineralogy and petrology collection record

Sample number S22624
Sample Donor Richey, James E.
Rock name 'Original entry: Sedimentary Rock, Thermally Metamorphosed'
Stratigraphy Not entered
Comments Country rock between cone sheets
Locality details 660 yds E 25 deg S of Rudha Groulin
50k map sheet Coll (51)

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Map reference NM 4723 7083
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


S22624

Cross Polarized, S22624

Plane Polarized, S22624

Plane Polarized, S22624