BGS mineralogy and petrology collection record

Sample number E53854; COLLNOLA938;
Sample Donor Allen,P.M.
Rock name Not entered
Stratigraphy Not entered
Comments Siltstone
Locality details Llandeloy No. 8 BH, 170 m E of Treffynon Fm. Cottage
50k map sheet St. Davids (209)

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Map reference SM 8514 2864
Year collected Not entered 
Bore name Llandeloy No.8
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E53854

Cross Polarized, E53854

Plane Polarized, E53854

Plane Polarized, E53854