BGS mineralogy and petrology collection record

Sample number E10519; COLLNO731;
Sample Donor Greenly,E.
Rock name 'Original entry: Black Phyllite'
Stratigraphy Not entered
Comments Not entered
Locality details Penrhyn Mawr, Cemaes
50k map sheet Holyhead (93)

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Map reference SH 368 937
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


E10519

Cross Polarized, E10519

Plane Polarized, E10519

Plane Polarized, E10519