BGS mineralogy and petrology collection record

Sample number E10388; COLLNO600;
Sample Donor Greenly,E.
Rock name 'Original entry: Red Dolomite (An.Mem. 1931.P.127) Ophicalcite'
Stratigraphy Not entered
Comments Mona Complex. See ANAL.MEM.1931 p.126 'Hafod Onen' is the locality on the collecting sheet but the following details have been added to the locality in the register ' A few yds.W.of a house at Tyddyndai, Amlwch.[SH 433915]'
Locality details Hafod Onen
50k map sheet Holyhead (93)

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View the geology near 'Holyhead'

Map reference SH 423 914
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


E10388

Cross Polarized, E10388

Plane Polarized, E10388

Plane Polarized, E10388