BGS mineralogy and petrology collection record

Sample number E41904; COLLNOMH550;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Medium coarse dolerite
Locality details N of Craig Cefen Coch
50k map sheet Bangor (106)

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Map reference SH 7276 6884
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


E41904

Cross Polarized, E41904

Plane Polarized, E41904

Plane Polarized, E41904