The phospate bed which is about 12“ thick forms a narrow outcrop accompanying the Bala limestone along a wide tract of country. The phosphate takes the form of concretions ranging from an inch to about six inches in diameter. The beds are steeply inclined, so are mined in a similar manner to vertical veins in metal mines, with crosscuts used to gain the ‘vein’.
Level and open stoping at SJ 0140 2942 with some trials to north.
| Year | Activity |
|---|---|
| 1872 | D.C. Davies managing operations on behalf of Messrs F.C. Hills of Deptford leases 2.25 mile long sett from Lord Powys. |
| 1876 | Davies quotes phosphate yield of 2.5 tons per fathom, which would not provide profit. |
| 1884 | Mine continued sporadically until 1884, when falling phosphate prices killed the mine. |
| 1904 | Branch railway line to Llangynog arrives, but far too late to make a difference. |
External Links
Publications (6)
- Bick, D.E. (1991); Old Metal Mines of Mid-Wales, The; West Montgomeryshire, Aberdovey, Dinas Mawddwy & Llangynog - Part 5; pp. 42-43
- Davies, D. C. (1975/199); title unknown - Berwyn mine
- Foster-Smith, J. R. (1978); Mines of Montgomeryshire and Radnorshire, The
- Foster-Smith, J.R.; NMRS (1978); British Mining 10 - Mines of Montgomery & Radnorshire; ISBN 0 901450 12 X; pp.3.
- Williams, R. A. (1985); Old Mines of the Llangynog District, The
- Williams, R.A.; NMRS (1985); British Mining 26 - Old Mines of the Llangynog District, The; ISBN 0901450 27 8; pp.12,115-116.
