BGS mineralogy and petrology collection record

Sample number E10839; COLLNO240;
Sample Donor Blake,Professor
Rock name 'Original entry: Gneiss: Infoliated'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey p 327-8 Albite unfoliated with Apatite Mona Complex The Gneisses
Locality details Opp. Is by Abertywedog
50k map sheet Holyhead (93)

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Map reference SH 49 90
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


E10839

Cross Polarized, E10839

Plane Polarized, E10839

Plane Polarized, E10839