BGS mineralogy and petrology collection record

Sample number E65676; COLLNOMH1371;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details NNW of Bryn y Castell
50k map sheet Snowdon (119)

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Map reference SH 7287 4315
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


E65676

Cross Polarized, E65676

Plane Polarized, E65676

Plane Polarized, E65676