BGS mineralogy and petrology collection record

Sample number E10851; COLLNO252;
Sample Donor Blake,Professor
Rock name 'Original entry: Biotite-Diorite'
Stratigraphy Not entered
Comments Basic Gneiss Coarse Albitic rock Anatite Mona Complex The Gneisses
Locality details East of Parys Mountains
50k map sheet Holyhead (93)

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Map reference SH 446 903
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


E10851

Cross Polarized, E10851

Plane Polarized, E10851

Plane Polarized, E10851