BGS mineralogy and petrology collection record

Sample number E8449; COLLNO110;
Sample Donor Calloway, G.A.
Rock name 'Original entry: Granitoid Gneiss.'
Stratigraphy Not entered
Comments See Mem.Geol.of Anglesey c.f.pp.325:440-2:fig.202 Mona Complex. The Gneisses.
Locality details Llyn Traffwll
50k map sheet Holyhead (93)

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Map reference SH 326 770
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


E8449

Cross Polarized, E8449

Plane Polarized, E8449

Plane Polarized, E8449