BGS mineralogy and petrology collection record

Sample number E6122; COLLNO71;
Sample Donor Greenly,E.
Rock name 'Original entry: Silicious Calc-Hornfels. Schistose Qtzose Limestone'
Stratigraphy Not entered
Comments Mona Complex. Plutonic Intrusion. See Anglesey Memoir.? p.332 These page no's.copied from the loose leaf but no's.not actually mentioned on the memoir pages
Locality details Overhanging cliff, Porth-y-Tywod
50k map sheet Caernarfon (105)

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Map reference SH 326 719
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


E6122

Cross Polarized, E6122

Plane Polarized, E6122

Plane Polarized, E6122