BGS mineralogy and petrology collection record

Sample number E30375; COLLNOC1119;
Sample Donor Collins,G.H.
Rock name Not entered
Stratigraphy Not entered
Comments Porcellanite.
Locality details Highgate Quarry, 250 Yds. N. at 65 deg. E. of Cufforn Rocks.
50k map sheet St. Davids (209)

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Map reference SM 901 224
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


E30375

Cross Polarized, E30375

Plane Polarized, E30375

Plane Polarized, E30375