Great Consolidated Mines, Clifford Amalgamated Mines, Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK
This group of mines was formed in 1780, by amalgamation of West Wheal Virgin, Wheal Virgin, East Wheal Virgin, Wheal Lovely, Wheal Girl, and Wheal Fortune. In 1824, the Great Consolidated Mines were combined with the United Mines under the name Clifford Amalgamated Mines.
The sett is an elongated stretch of land, about 600 yards wide from north to south and more than 2,000 yards long. To the north, it is bound by the stream that flows eastwards between Carharrack and St Day and joins the Carnon river at Hale Mills. To the south, it is adjoined by the United Mines. The western boundary is about 300 yards west of the road leading from Todpool to Sunny Corner, and the eastern boundary is marked by the Carnon river. Within the sett, the mines were arranged from west to east in the order given above. The individual boundaries, however, are not always clear today.
The lodes were predominantly copper lodes, consisting of primary and secondary copper ores with pyrite in a gangue of quartz and clay. They generally trend NE to ENE, as do the elvan dykes within the sett, and crop out within a transverse distance of 500 yards. The most important lodes, from north to south, were Taylor's lode, Deebles lode and Virgin lode (Fortune lode). They dip northwards, following the dykes, but there are numerous minor lodes branching from their hangingwalls which dip southwards and cut the dykes at acute angles. In the eastern part of the sett, the lodes show comb structures with open cavities; they are disordered near crosscourses and usually thin where passing through the dykes.
All mines were still active when they were amalgamated with the United Mines in 1824. They were started as copper mines, but later also produced some tin.
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32 entries listed. 24 valid minerals.
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- Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 418-420.
- Lapis 11(2), 33-34 (1986)
- Lapis 11(2), 33-34 (1986)
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