BGS mineralogy and petrology collection record

Sample number E10639; COLLNO40;
Sample Donor Blake,Professor
Rock name 'Original entry: Albite Granite'
Stratigraphy Not entered
Comments see mem.geology of Anglesey Yr 1919 cf p 292-3 Quartz, Albite with a little White Mica etc. Later reconstruction Mona Complex The Gneisses
Locality details Pen bryn-yr-Eglwys
50k map sheet Holyhead (93)

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Map reference SH 294 924
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


E10639

Cross Polarized, E10639

Plane Polarized, E10639

Plane Polarized, E10639