BGS mineralogy and petrology collection record

Sample number E46545; COLLNOSG183;
Sample Donor Strong,G.E.
Rock name Not entered
Stratigraphy Bryn-Glas Formation
Comments Upper Ordovician, Ashgillian Brynglass Mst. with Sst. nodules
Locality details Pencerrigtewion, 1.05 km 48 deg from Llyn Llygad Rheidol
50k map sheet Aberystwyth (163)

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Map reference SN 8002 8843
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


E46545

Cross Polarized, E46545

Plane Polarized, E46545

Plane Polarized, E46545