BGS mineralogy and petrology collection record

Sample number E11005; COLLNO86;
Sample Donor Matley, C.A
Rock name 'Original entry: Pebbly Grit-Schist'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey p 316 Quartz, Albite, Epidote, etc, Blastopsammitic Fragments of acid igneous rocks Gwna Quartzite and old Schists Mona Comp
Locality details Pen-y-bont Llanfechell
50k map sheet Holyhead (93)

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Map reference SH 366 912
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


E11005

Cross Polarized, E11005

Plane Polarized, E11005

Plane Polarized, E11005