BGS mineralogy and petrology collection record

Sample number E32594
Sample Donor Chaperlin,K.
Rock name Not entered
Stratigraphy Not entered
Comments Gwna Group
Locality details Quarry (disused) 100 yds N of Trefgraig Plas, 3.5 ml NNE of Aberdaron
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference SH 196 326
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


E32594

Cross Polarized, E32594

Plane Polarized, E32594

Plane Polarized, E32594