BGS mineralogy and petrology collection record

Sample number E20218; COLLNOAWW51;
Sample Donor Woodland,A.W.
Rock name 'Original entry: Altered Pebbly Sediment Replaced By Carbonate, Black Ore And Limonite.'
Stratigraphy Not entered
Comments Not entered
Locality details Nant Manganese Mine (after dewatering July 1943) Nant-y-Gadwen, Llanyael Rhys.
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference
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


E20218

Cross Polarized, E20218

Plane Polarized, E20218

Plane Polarized, E20218