BGS mineralogy and petrology collection record

Sample number E34994; COLLNOJH487;
Sample Donor Hawkes,J.R.
Rock name 'Original entry: Mineral Vein'
Stratigraphy Not entered
Comments Quartz, tourmaline, K-feldspar. 3 inch vein.
Locality details River Mardle, 2200 Yds.at 330 deg. from Lud Gate.
50k map sheet Dartmoor Forest (338)

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Map reference SX 674 692
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


E34994

Cross Polarized, E34994

Plane Polarized, E34994

Plane Polarized, E34994