BGS mineralogy and petrology collection record

Sample number E66342; COLLNOWPR86;
Sample Donor Pratt, W.
Rock name Not entered
Stratigraphy Not entered
Comments Granophyre
Locality details 670 m WNW of Summit of Cadair Idris
50k map sheet Barmouth (149)

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Map reference SH 7045 1318
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


E66342

Cross Polarized, E66342

Plane Polarized, E66342

Plane Polarized, E66342