BGS mineralogy and petrology collection record

Sample number E8008; COLLNO88;
Sample Donor Sherlock,R.
Rock name Chert. 'Original entry: Radiolarian Chert'
Stratigraphy Not entered
Comments Not entered
Locality details Lanyons Shaft, Devon Friendship Mine, Mary Tavy.
50k map sheet Dartmoor Forest (338)

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Map reference SX 512 794
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


E8008

Cross Polarized, E8008

Plane Polarized, E8008

Plane Polarized, E8008