BGS mineralogy and petrology collection record

Sample number E10824; COLLNO225;
Sample Donor Blake,Professor
Rock name 'Original entry: Felsite'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey pp 527-9 Feldspar & Epidote Imperfect Phenocrysts in micro Crystalline matrix Palaeozoic Intrusions
Locality details E. of Mynydd Mechell
50k map sheet Holyhead (93)

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Map reference SH 357 899
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


E10824

Cross Polarized, E10824

Plane Polarized, E10824

Plane Polarized, E10824