BGS mineralogy and petrology collection record

Sample number E9534
Sample Donor Greenly,E.
Rock name 'Original entry: Gneisses'
Stratigraphy Not entered
Comments Not entered
Locality details Coast of Porth Helygen, N.side of streamlet
50k map sheet Holyhead (93)

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Map reference SH 491 910
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


E9534

Cross Polarized, E9534

Plane Polarized, E9534

Plane Polarized, E9534