BGS mineralogy and petrology collection record

Sample number E20191
Sample Donor Phemister,J.
Rock name 'Original entry: Muscovite, Carbonate, Tourmaline, Amphibole, Rare Biotite, Scheelite'
Stratigraphy Not entered
Comments Separated powders from Bessemet Lab (-90+200 imm). Sinks 2.8; floats 2.9
Locality details Carrock Fell, Tungston Mine
50k map sheet Cockermouth (23)

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Map reference NY 3400 3300
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


E20191

Cross Polarized, E20191

Plane Polarized, E20191

Plane Polarized, E20191