BGS mineralogy and petrology collection record

Sample number E7837; E7837/A; COLLNO223;
Sample Donor Dewey,H.
Rock name 'Original entry: Carbonaceous Slate'
Stratigraphy Not entered
Comments Not entered
Locality details Quarry, half a mile N. of Trekenner, Laneast.
50k map sheet Tavistock (337)

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Map reference
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


E7837

Cross Polarized, E7837

Plane Polarized, E7837

Plane Polarized, E7837


E7837/A

Cross Polarized, E7837/A

Plane Polarized, E7837/A

Plane Polarized, E7837/A