BGS mineralogy and petrology collection record

Sample number E11064; COLLNO145;
Sample Donor Matley, C.A
Rock name 'Original entry: Gwyna Green Schist. Phyllite.'
Stratigraphy Not entered
Comments Mona Complex. Gwna Beds. See Mem.Geol.of Anglesey.p.296. Albite, quartz, chlorite, etc. Blastopsammitic foliated. Llanfair-y-nghorny Beds.
Locality details Field in front of Post Office, Llanfair-y-nghorny
50k map sheet Holyhead (93)

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Map reference SH 319 913
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


E11064

Cross Polarized, E11064

Plane Polarized, E11064

Plane Polarized, E11064