BGS mineralogy and petrology collection record

Sample number E39238; COLLNOCE86;
Sample Donor Evans,C.D.R.
Rock name Not entered
Stratigraphy Not entered
Comments Vesicular rhyolite lava ?nr top of Drosgil volc. Gp. type
Locality details 1000 yds 23deg E of Cairn in Bwlch Ddeufaen
50k map sheet Bangor (106)

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Map reference SH 7196 7252
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


E39238

Cross Polarized, E39238

Plane Polarized, E39238

Plane Polarized, E39238