BGS mineralogy and petrology collection record

Sample number E7215; COLLNO199;
Sample Donor Dewey,H.
Rock name 'Original entry: Hornfelsed Spilite'
Stratigraphy Not entered
Comments Green mica. ote, calcite and sphene.
Locality details Tregunnan Quarry.
50k map sheet Tavistock (337)

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Map reference SX 242 833
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


E7215

Cross Polarized, E7215

Plane Polarized, E7215

Plane Polarized, E7215