BGS mineralogy and petrology collection record

Sample number E32577
Sample Donor Chaperlin,K.
Rock name 'Original entry: Basaltic Volcanic Rock'
Stratigraphy Not entered
Comments Green schist (Penmynydd Zone)
Locality details Quarry (disused) 50 yds S of Gilfach, 3300 yds NNE of Aberdaron
50k map sheet Aberdaron and Bardsey Island (133)

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Map reference SH 189 289
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


E32577

Cross Polarized, E32577

Plane Polarized, E32577

Plane Polarized, E32577