BGS mineralogy and petrology collection record

Sample number E32374; COLLNOAM11;
Sample Donor Mills,D.A.C.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Representative sample of Upper ashes of Arenig (Llandillo) Fearnsides QJGS 1905 collected adjacent to and at site of proposed Liverpool reservoir-Llyn-Tryweryn-Mawr.
Locality details From S. wall of Hesgin Fall pipe, N. of main road. 250 Yds. WNW. of Ty-Uchaf Farm.
50k map sheet Corwen (120)

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Map reference SH 28809 34039
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


E32374

Cross Polarized, E32374

Plane Polarized, E32374

Plane Polarized, E32374