BGS mineralogy and petrology collection record

Sample number E6103; COLLNO51;
Sample Donor Greenly,E.
Rock name 'Original entry: Epidote Chlorite Gneiss'
Stratigraphy Not entered
Comments See Mem.Geol.of Anglesey p.326. Mona Complex. The Gneisses In basic gneisses of Llangonyllog ?
Locality details Boss NE.of Ynysgroes footbridge
50k map sheet Holyhead (93)

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Map reference SH 440 815
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


E6103

Cross Polarized, E6103

Plane Polarized, E6103

Plane Polarized, E6103