BGS mineralogy and petrology collection record

Sample number E7910; COLLNO50;
Sample Donor Barrow, G.
Rock name Porphyry. 'Original entry: Granite Porphyry'
Stratigraphy Not entered
Comments A little tourmaline.
Locality details Little Hammet.
50k map sheet Camelford (336)

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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


E7910

Cross Polarized, E7910

Plane Polarized, E7910

Plane Polarized, E7910