BGS mineralogy and petrology collection record

Sample number E4998; COLLNO36;
Sample Donor Pollard, Dr.
Rock name 'Original entry: Rhombs Of Dolomite In Chert'
Stratigraphy Not entered
Comments Not entered
Locality details 360 Yds. S. at 20 deg. W. of Hants Farm, W. of Pwll Du.
50k map sheet Swansea (247)

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Map reference SS 563 869
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


E4998

Cross Polarized, E4998

Plane Polarized, E4998

Plane Polarized, E4998