BGS mineralogy and petrology collection record

Sample number E26710; COLLNOA297;
Sample Donor Whitehead,T.H.
Rock name 'Original entry: Volcanic Rock'
Stratigraphy Not entered
Comments Volcanic material with magnesium carbonate cement.
Locality details Dwy Fawr, near Criccieth.
50k map sheet Nefyn (118)

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Map reference SH 507 407
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


E26710

Cross Polarized, E26710

Plane Polarized, E26710

Plane Polarized, E26710