BGS mineralogy and petrology collection record

Sample number E8898; COLLNO408;
Sample Donor Blake,Professor
Rock name Rhyolite. 'Original entry: Rhyolite'
Stratigraphy Not entered
Comments Not entered
Locality details Back of cave, Nuns Chapel, St. Davids.
50k map sheet St. Davids (209)

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Map reference
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


E8898

Cross Polarized, E8898

Plane Polarized, E8898

Plane Polarized, E8898