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Clwyd Metal Mines Survey
Mynydd Du
Mynydd Du lies in the community of Llanarmon-yn-ial in the county of Denbighshire. It is located at Ordnance Survey national grid reference SJ21505730. The mine is recorded in the CPAT Historic Environment Record as number 18137 and this number should be quoted in all correspondence.Lead (Late 19th century)
Geology
Sandy Limestone running into Cefn-y-fedw Sandstone.
Workings
The 19th century returns detail the Black Mountain Lead Co working 1888-1892 on the sandy limestone outcrops of Mynydd Du.
The two shafts at SJ21605730 may have been trials on the eastern end of the Westminster Vein.
The site lies to the north of the Llanarmon (PRN 18109) workings at SJ21705680.
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.