BGS mineralogy and petrology collection record

Sample number E23150; COLLNOBN13;
Sample Donor Bisson,G.
Rock name 'Original entry: Diopside Hornfels'
Stratigraphy Not entered
Comments Mineralised bed in culm measures.
Locality details Prewley Tunnel, 3.44 miles SW. of Okehampton.
50k map sheet Okehampton (324)

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Map reference SX 554 906
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


E23150

Cross Polarized, E23150

Plane Polarized, E23150

Plane Polarized, E23150