BGS mineralogy and petrology collection record

Sample number E23147; COLLNOBN10;
Sample Donor Bisson,G.
Rock name 'Original entry: Hornblende Diopside Orthoclase'
Stratigraphy Not entered
Comments Fine grained inclusion in E 23148.
Locality details Prewley Tunnel, 3.44 miles SW. of Okehampton.
50k map sheet Okehampton (324)

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Map reference SX 552 907
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


E23147

Cross Polarized, E23147

Plane Polarized, E23147

Plane Polarized, E23147