BGS mineralogy and petrology collection record

Sample number E10642; COLLNO43;
Sample Donor Blake,Professor
Rock name 'Original entry: Albite Granite'
Stratigraphy Not entered
Comments see mem.geology of Anglesey Yr 1919 cf p 296:168-9 Albite with some Quartz and Mica. Reconstruction by later movements of the Complex Mona Complex The Gneisses
Locality details Mynachdy:prob N. of h or N. of l of Mynashdy near junction to Ash
50k map sheet Holyhead (93)

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Map reference SH 311 923
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


E10642

Cross Polarized, E10642

Plane Polarized, E10642

Plane Polarized, E10642