First discovered by collectors Lindsay Greenbank and Mike Sutcliffe in an abandoned 19th century limestone quarry during the early 1970's, the Rogerley is to date the only mine operated on a commercial basis solely for specimen recovery in the UK. Operation of the mine was taken over by UK Mining Ventures in 1999.
The principle workings are an adit extending northward along the Greenbank vein at the High Flats horizon of the Great Limestone. Specimens of green fluorite, often associated with galena have been recovered from discontinuous mineralized flats on both the east and west sides of the vein. Some vugs containing opaque purple fluorite have been encountered along the vein. Work at the mine continues as of summer 2007.
References:
Fisher, J., and Greenbank, L., 2000, The Rogerley Mine, Weardale, County Durham, England, Rocks & Minerals, 75(1): 54-61.
Fisher, J.E., et L. Greenbank, 2000. La Mine Rogerley, Weardale, comte de Durham, Angleterre. Le Règne Minéral, 34: 5-14.(in French)
Fisher, J., and L. Greenbank. 2003. The Rogerley mine, Weardale, County Durham, England, UK Journal of Mines and Minerals, 23:9-20.
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UK OS Grid Reference: NZ011381
Map Reference: 54°44'15"N , 1°58'58"W
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