BGS mineralogy and petrology collection record

Sample number E36718; COLLNOMW178;
Sample Donor Beer,K.E.
Rock name Not entered
Stratigraphy Not entered
Comments ? Biotite hornfels or greenstone - vaguely banded
Locality details Wheal Grenville BH No. 22, Collar 470 yds E 10.5 deg S of Treslothan Church, Camborne, (Bearing 330 deg T at an inclination of 55 deg)
50k map sheet Falmouth (352)

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Map reference SW 6547 3771
Year collected Not entered 
Bore name Camborne Tin Ltd Ctl22
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E36718

Cross Polarized, E36718

Plane Polarized, E36718

Plane Polarized, E36718