BGS mineralogy and petrology collection record

Sample number E65691; E65691/A; E65691/B; COLLNOMH1385;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details N of Manod Qrys.
50k map sheet Snowdon (119)

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Map reference SH 7312 4587
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


E65691/A

Cross Polarized, E65691/A

Plane Polarized, E65691/A

Plane Polarized, E65691/A


E65691/B

Cross Polarized, E65691/B

Plane Polarized, E65691/B

Plane Polarized, E65691/B