BGS mineralogy and petrology collection record

Sample number E32591
Sample Donor Chaperlin,K.
Rock name Not entered
Stratigraphy Not entered
Comments Gwna Group
Locality details Quarry (disused) by roadside, 150 yds WSW of Glan Yr Afon, 5 ml ENE of Aberdaron
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference SH 198 328
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


E32591

Cross Polarized, E32591

Plane Polarized, E32591

Plane Polarized, E32591