BGS mineralogy and petrology collection record

Sample number E11341
Sample Donor Greenly,E.
Rock name Not entered
Stratigraphy Not entered
Comments See Mem.Geol.of Anglesey.p.284. Silicified tuff.
Locality details Brow 800ft. NE.of Porth-y-Dwfr
50k map sheet Holyhead (93)

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Map reference SH 293 905
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


E11341

Cross Polarized, E11341

Plane Polarized, E11341

Plane Polarized, E11341