BGS mineralogy and petrology collection record

Sample number E30839; COLLNOJW248;
Sample Donor Wright,J.E.
Rock name Hornfels. 'Original entry: Andalusite Hornfels'
Stratigraphy Not entered
Comments Hornfelsed, dark grey spotted culm; from aureol of Dartmoor Granite
Locality details 900 yds E23 deg N from Smallbridge
50k map sheet Exeter (325)

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Map reference SS 792 888
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


E30839

Cross Polarized, E30839

Plane Polarized, E30839

Plane Polarized, E30839