BGS mineralogy and petrology collection record

Sample number E13381; COLLNO15;
Sample Donor Matley, C.A
Rock name 'Original entry: Crushed Quartzite'
Stratigraphy Not entered
Comments Tuff containing rhyolite fragments etc..
Locality details Mynydd Anelog, tuff crag, NW. of Graig.
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


E13381

Cross Polarized, E13381

Plane Polarized, E13381

Plane Polarized, E13381