7m shaft to 50m of N-S passage to very deep water, the level of which fluctuates… Galena is found together with quartz (unusual in S Wales), barytes, sphalerite, with minute quantities of arsenic etc.
External Links
Publications (2)
- Foster-Smith, J.R.; NMRS (1981); British Mining 18 - Non-Ferrous Mines of the South Wales Area, The; ISBN 0 901450 15 4; pp.47
- Tucker, D.G.; Lead Mines of Glamorgan and Gwent, The; 16 pages
