BGS mineralogy and petrology collection record

Sample number E10870; COLLNO271;
Sample Donor Blake,Professor
Rock name 'Original entry: Albite-Granite'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey pp 324-5 Coarse but with little Chloritised Biotite Mona Complex The Gneisses
Locality details Caer-Montyn near Llandrygarn
50k map sheet Holyhead (93)

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Map reference SH 383 795
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


E10870

Cross Polarized, E10870

Plane Polarized, E10870

Plane Polarized, E10870