South Crofty Mine, Robinson's Section, cross cut N. from No. 4 to No. 6 lode. Megacrystic, coarse-grained, biotite-granite/elvan contact. in cross-cut. Photo P213050. 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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