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Powys Metal Mines Survey
Brynpostig
Brynpostig lies in the community of Llanidloes Without in the county of Powys. It is located at Ordnance Survey national grid reference SN97128222. The mine is recorded in the CPAT Historic Environment Record as number 8484 and this number should be quoted in all correspondence.Lead (1771-1878)
Geology
Silurian Frongoch formation geology with a single E-W vein containing galena and sphalerite mineralistaion.
Workings
There was a cross-cut adit on an E/W alignment at SN96498216 and 3 shafts are located at SN97038226, SN97158226, SN97388221.
Transport
No evidence.
Power
The engine house which was used for pumping, drawing and crushing was sited at SN97048237 but has recently been destroyed by the council tipping.
All other evidence has been destroyed.
Processing
All evidence has been destroyed by the tipping area.
Other features
A long rectangular storage shed/mine office building survives as part of the tipping sites block of administration buildings and is used as a store shed SN97038235. Basal remains of the magazine are preserved within the adjacent forestry plantation.
This HTML page is reproduced from the Powys and Clwyd Metal Mine Surveys which were undertaken between May 1992 and December 1993 by Mark Walters and Pat Frost of the Clwyd Powys Archaeological Trust with financial support from Powys County Council, Clwyd County Council and Cadw: Welsh Historic Monuments. Further information about this site is available in CPAT's Regional Historic Environment Record.
Page produced by Rachel Stebbings and Chris Martin.