BGS mineralogy and petrology collection record

Sample number E38906; E38906/A;
Sample Donor Hawkes,J.R.
Rock name 'Original entry: Contact Altered Crystal Lithic Keratophyric Tuff'
Stratigraphy Not entered
Comments Greenstone-contact altered basic igneous rock.
Locality details Soil debris adjacent to road, quarter mile NW. of Belstone Village.
50k map sheet Okehampton (324)

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Map reference SX 615 937
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


E38906

Cross Polarized, E38906

Plane Polarized, E38906

Plane Polarized, E38906


E38906/A

Cross Polarized, E38906/A

Plane Polarized, E38906/A

Plane Polarized, E38906/A