BGS mineralogy and petrology collection record

Sample number E18842; COLLNOKD/BA12;
Sample Donor Dunham,K.C.
Rock name 'Original entry: ? Crinoidal Limestone With Chert'
Stratigraphy Not entered
Comments BARYTES IN MATRIX OF LIMONITISED LIMESTONE
Locality details SILVERBAND MINE [CO-ORDINATES GIVEN ARE ARE ENTRANCE TO MAIN LEVEL] MAIN LEVEL No3 CROSSCUT N. SIDE No8 VEIN
50k map sheet Alston (25)

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Map reference NY 703 318
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


E18842

Cross Polarized, E18842

Plane Polarized, E18842

Plane Polarized, E18842