BGS mineralogy and petrology collection record

Sample number E67066; COLLNOWPR102;
Sample Donor Pratt, W.
Rock name 'Original entry: Dolerite'
Stratigraphy Not entered
Comments Dolerite, Penygadder Formation
Locality details 650 m at 192 deg from Castell
50k map sheet Barmouth (149)

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View the geology near 'Barmouth'

Map reference SH 5802 0424
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


E67066

Cross Polarized, E67066

Plane Polarized, E67066

Plane Polarized, E67066