BGS mineralogy and petrology collection record

Sample number E13692; E13692/A; COLLNO1116;
Sample Donor Mcmahan
Rock name Not entered
Stratigraphy Not entered
Comments Mottled Devonian beds.
Locality details Quarry on the Tavistock to Princetown Road.
50k map sheet Dartmoor Forest (338)

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Map reference
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


E13692

Cross Polarized, E13692

Plane Polarized, E13692

Plane Polarized, E13692


E13692/A

Cross Polarized, E13692/A

Plane Polarized, E13692/A

Plane Polarized, E13692/A