BGS mineralogy and petrology collection record

Sample number E970
Sample Donor Rutley,F.
Rock name Chert. 'Original entry: Chert'
Stratigraphy Not entered
Comments Not entered
Locality details Greystone Bridge.
50k map sheet Tavistock (337)

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Map reference SX 367 804
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


E970

Cross Polarized, E970

Plane Polarized, E970

Plane Polarized, E970