BGS mineralogy and petrology collection record

Sample number E30832; COLLNOJW239;
Sample Donor Wright,J.E.
Rock name 'Original entry: Quartz Sericite Rock'
Stratigraphy Not entered
Comments Grey spooted culm hornfels from aureole of Dartmoor granite
Locality details Roadside exposure, 500 Yds. N. at 13 deg. N. from small ridge.
50k map sheet Okehampton (324)

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Map reference SX 780 889
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


E30832

Cross Polarized, E30832

Plane Polarized, E30832

Plane Polarized, E30832