BGS mineralogy and petrology collection record

Sample number E32385; COLLNOAM39;
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. See also HW. 1001 (sliced rock E32103)
Locality details Temporary section in trench for generating house. 100 Yds. below dam on N. side of river.
50k map sheet Corwen (120)

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Map reference SH 28805 33995
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


E32385

Cross Polarized, E32385

Plane Polarized, E32385

Plane Polarized, E32385