BGS mineralogy and petrology collection record

Sample number E52456; COLLNOMH884;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Tuff,acid/rhyolite. Caradoc, Ordovician.
Locality details 0.9 km E of Pen y Pass
50k map sheet Bangor (106)

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Map reference SH 6386 5556
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


E52456

Cross Polarized, E52456

Plane Polarized, E52456

Plane Polarized, E52456