BGS mineralogy and petrology collection record

Sample number E23153; COLLNOBN16;
Sample Donor Bisson,G.
Rock name 'Original entry: Hornfelsed Sandstone'
Stratigraphy Not entered
Comments Metamorphosed culm measures.
Locality details Prewley Tunnel, 3.44 miles SW. of Okehampton.
50k map sheet Okehampton (324)

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Map reference SX 555 906
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


E23153

Cross Polarized, E23153

Plane Polarized, E23153

Plane Polarized, E23153