BGS mineralogy and petrology collection record

Sample number E61602; COLLNOMH1516;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Granophyre
Locality details NNE of Carnedd Lwyd
50k map sheet Barmouth (149)

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Map reference SN 6868 1140
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


E61602

Cross Polarized, E61602

Plane Polarized, E61602

Plane Polarized, E61602