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Powys Metal Mines Survey

Allt-y-main

Allt-y-main lies in the community of Meifod in the county of Powys. It is located at Ordnance Survey national grid reference SJ163144. The mine is recorded in the CPAT Historic Environment Record as number 8485 and this number should be quoted in all correspondence.

Lead/Barytes (Pre 1751-1845)

Geology
The main vein trends NE-SW with galena & barytes mineralisation in Silurian Llandoverian shales and mudstones.

Workings
There is evidence of pre 1751 opencut trenches and a shaft and opencast filled with deads and rubbish on top of the hill at SJ16331445. In 1769 a level was driven on the lode. In 1845 some trials were driven which appear to have been only partially successful. There is a shaft and level at SJ171151 just above the Meifod road which are shown on the first edition map of 1885.

Transport
No evidence.

Power
No evidence.

Processing
No evidence.

Other features
No evidence.

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.