BGS mineralogy and petrology collection record

Sample number E30871; COLLNOJW290;
Sample Donor Wright,J.E.
Rock name Hornfels. 'Original entry: Cordierite Biotite Hornfels'
Stratigraphy Not entered
Comments Hornfelsed mudstone. Culm from thermal aureole of Dartmoor granite.
Locality details 1080 Yds. S. at 4 deg. E. of Drewsteignton Church.
50k map sheet Okehampton (324)

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Map reference SX 737 898
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


E30871

Cross Polarized, E30871

Plane Polarized, E30871

Plane Polarized, E30871