BGS mineralogy and petrology collection record

Sample number E11002; COLLNO83;
Sample Donor Matley, C.A
Rock name 'Original entry: Albite-Biotite-Gneiss'
Stratigraphy Not entered
Comments see mem. Geology of Anglesey p 292 Similar Constituents but a well foliated Gneiss Mona Complex The Gneisses
Locality details Pen Bryn-zr-Eglwys
50k map sheet Holyhead (93)

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Map reference SH 292 925
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


E11002

Cross Polarized, E11002

Plane Polarized, E11002

Plane Polarized, E11002