BGS mineralogy and petrology collection record

Sample number E65804; COLLNOWPR30;
Sample Donor Pratt, W.
Rock name Not entered
Stratigraphy Not entered
Comments Acid intrusive
Locality details In Afon Gwril, 320 m NW of Sheepfolds
50k map sheet Barmouth (149)

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Map reference SH 6151 0878
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


E65804

Cross Polarized, E65804

Plane Polarized, E65804

Plane Polarized, E65804