BGS mineralogy and petrology collection record

Sample number E31991; COLLNOJH108;
Sample Donor Hawkes,J.R.
Rock name 'Original entry: ? Devitrified Carbonated Scoreaceous Lava'
Stratigraphy Not entered
Comments Metamorphosed ? pumice. Volcanic group.
Locality details Sourton Tor, at trig. point.
50k map sheet Okehampton (324)

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Map reference SX 543 898
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


E31991

Cross Polarized, E31991

Plane Polarized, E31991

Plane Polarized, E31991