BGS mineralogy and petrology collection record

Sample number E7851; COLLNO237;
Sample Donor Dewey,H.
Rock name 'Original entry: Contact Altered Diabase'
Stratigraphy Not entered
Comments Actinolite in sheaves and rods, round albites.
Locality details Crag by Lynher, Trebartha, Northill.
50k map sheet Tavistock (337)

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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


E7851

Cross Polarized, E7851

Plane Polarized, E7851

Plane Polarized, E7851