BGS mineralogy and petrology collection record

Sample number E10821; COLLNO222;
Sample Donor Blake,Professor
Rock name 'Original entry: Schistose-Grit'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey p 294 Mona Complex Gwna Beds
Locality details Pengorph Wysfa E. of Ainlwch
50k map sheet Holyhead (93)

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Map reference SH 467 920
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


E10821

Cross Polarized, E10821

Plane Polarized, E10821

Plane Polarized, E10821