BGS mineralogy and petrology collection record

Sample number E10339; COLLNO551;
Sample Donor Greenly,E.
Rock name 'Original entry: Highly Altered Variolite'
Stratigraphy Not entered
Comments Not entered
Locality details Newborough sand hills, "C"erig Duon, 500ft. N.of "C"
50k map sheet Caernarfon (105)

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Map reference SH 398 650
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


E10339

Cross Polarized, E10339

Plane Polarized, E10339

Plane Polarized, E10339