BGS mineralogy and petrology collection record

Sample number E10846; COLLNO247;
Sample Donor Blake,Professor
Rock name 'Original entry: Biotite Gneiss Albite Biotite Gneiss With Garnet'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey pp 326-7 Feldspar micacized Mona Complex The Gneisses
Locality details Nebo S. of Road
50k map sheet Holyhead (93)

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Map reference SH 467 904
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


E10846

Cross Polarized, E10846

Plane Polarized, E10846

Plane Polarized, E10846