BGS mineralogy and petrology collection record

Sample number E26729; COLLNOA274;
Sample Donor Whitehead,T.H.
Rock name Not entered
Stratigraphy Not entered
Comments FELDSPATHIC GRIT
Locality details BALA ROCKS GWERN-Y-BRAIN NEAR GUILSFIELD
50k map sheet Welshpool (151)

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Map reference SJ 217 126
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


E26729

Cross Polarized, E26729

Plane Polarized, E26729

Plane Polarized, E26729