BGS mineralogy and petrology collection record

Sample number E10869; COLLNO270;
Sample Donor Blake,Professor
Rock name 'Original entry: Grit With Schist'
Stratigraphy Not entered
Comments Mona Complex. Gwna beds. See Mem.Geol.of Anglesey.pp.350-1 Similar. Grit is deformed in the wisps of schist. Anamorphism low
Locality details Agglom.(No.3) W.of Llangefni
50k map sheet Caernarfon (105)

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Map reference SH 45 75
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


E10869

Cross Polarized, E10869

Plane Polarized, E10869

Plane Polarized, E10869