South Crofty 1945
South Crofty Mine, Carn Brea. South Crofty Mine: horizontal quartz veins. Horizontal quartz veins in granite country rock, exposed at the shaft station of the 290 fm. level, Robinson's Shaft. The veins, which pre-date the lodes, carry also feldspar, wolfram and more rarely fluorspar.
Photo P208025. Reproduced with the permission of the British Geological Survey ©NERC. All rights Reserved.
This photograph is by carnkie and was uploaded December 9th 2009. © carnkie please do not copy or distribute without prior express permission.
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