BGS mineralogy and petrology collection record

Sample number E3840; COLLNO312;
Sample Donor Hill, J.B.
Rock name Porphyry. 'Original entry: Granite Porphyry'
Stratigraphy Not entered
Comments Schorlaceous.
Locality details Quarry, 1300 Yds. SW. of Carmenellis.
50k map sheet Falmouth (352)

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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


E3840

Cross Polarized, E3840

Plane Polarized, E3840

Plane Polarized, E3840