BGS mineralogy and petrology collection record

Sample number E33777; COLLNOKB446;
Sample Donor Beer,K.E.
Rock name Not entered
Stratigraphy Not entered
Comments Tourmaline bearing leucocratic granite phase
Locality details S Crofty BH No. 195, 315 fathom level, Roskean. 1982 ft S of Newcookskitchen Shaft (Horizontal hole at 27 deg.)
50k map sheet Falmouth (352)

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Map reference SW 6585 4087
Year collected Not entered 
Bore name South Crofty No.195, Roskean,
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E33777

Cross Polarized, E33777

Plane Polarized, E33777

Plane Polarized, E33777