BGS mineralogy and petrology collection record

Sample number E53298; E53298/A; E53298/B; COLLNOLA899;
Sample Donor Allen,P.M.
Rock name Not entered
Stratigraphy Not entered
Comments Altered porphyry
Locality details Pen-Ian Cottage No. 7 BH, 120 m 266 deg from Pen-Ian Cottage
50k map sheet St. Davids (209)

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Map reference SM 8527 2915
Year collected Not entered 
Bore name Pen-Ian Cottage
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E53298/A

Cross Polarized, E53298/A

Plane Polarized, E53298/A

Plane Polarized, E53298/A


E53298/B

Cross Polarized, E53298/B

Plane Polarized, E53298/B

Plane Polarized, E53298/B