BGS mineralogy and petrology collection record

Sample number E53242; COLLNOLA826;
Sample Donor Allen,P.M.
Rock name Not entered
Stratigraphy Not entered
Comments Porphyritic Microdiorite
Locality details Llandeloy No. 3A BH, 46 m N of Pwll-Ceffyl Ruins
50k map sheet St. Davids (209)

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Map reference SM 8546 2850
Year collected Not entered 
Bore name Llandeloy No.3a
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E53242

Cross Polarized, E53242

Plane Polarized, E53242

Plane Polarized, E53242