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Powys Metal Mines Survey

Marcheini Fach

Marcheini Fach (also known as Drosgol) lies in the community of St Harmon in the county of Powys. It is located at Ordnance Survey national grid reference SN95657413. The mine is recorded in the CPAT Historic Environment Record as number 18989 and this number should be quoted in all correspondence.

Lead trial (1882-1902)

Silurian Frongoch formation geology. Two parallel lodes striking E-W. Quartz gangue with galena mineralisation

There is a blocked level at SN95557413 and a further blocked level and shaft at SN95557389. The linear spoil heaps display little mineralisation and no evidence of drilling or explosives was to be seen.

There is evidence of spoil heap tramming routes in the form of earthworks.

A possible dam wall structure half-way between the two sets of workings may be evidenced by a wall foundation aligned E-W across the stream. It is well preserved on the east side and can be seen in the side of the stream on the west side.

Manual dressing is evidenced by fine tailings close to the main dumps.

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.