BGS mineralogy and petrology collection record

Sample number E20190
Sample Donor Phemister,J.
Rock name 'Original entry: Muscovite, Carbonate, Trace Of Quartz, Wolframite, Tourmaline, Fluorite'
Stratigraphy Not entered
Comments Separated powders from Bessemet Lab (-90+200 imm). Sinks 2.7; floats 2.8
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


E20190

Cross Polarized, E20190

Plane Polarized, E20190

Plane Polarized, E20190