BGS mineralogy and petrology collection record

Sample number E11061; COLLNO142;
Sample Donor Matley, C.A
Rock name 'Original entry: Conglomerate.'
Stratigraphy Not entered
Comments Ordovician. Arenig. See Mem.Geol.of Anglesey.p.462 Fragments of Gwyna-green-schist, Ch.Bay Tuff, & gneiss.
Locality details Garn Breccia (Field 88)
50k map sheet Holyhead (93)

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Map reference SH 319 908
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


E11061

Cross Polarized, E11061

Plane Polarized, E11061

Plane Polarized, E11061