BGS mineralogy and petrology collection record

Sample number E4853; COLLNO6; NEG647M;
Sample Donor Allister, D.Mc.
Rock name Hornfels. 'Original entry: Spotted Slate'
Stratigraphy Not entered
Comments Biotite spots.
Locality details Higher Trefavour Quarry.
50k map sheet Bodmin (347)

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Map reference SW 952 573
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


E4853

Cross Polarized, E4853

Plane Polarized, E4853

Plane Polarized, E4853