| Year | Activity |
|---|---|
| 1764 | Mine already of considerable length according to W.J. Lewis |
| 1844 | Acquired by Cardigan solicitor Oliver Lloyd |
| 1853 | Henry Gibson took over ‘raised large quantities of ore’ |
| 1855 | Passed into hands of ‘gentlemen from Gravesend’ |
| 1857 | Workings extend 22 fathoms below adit |
| 1858 | Mine sold |
| 1860 | Cornish Engine installation completed |
| 1861 | Passed to Thomas Turner after financial difficulties, TT turning in 250 tons+ for next 10 years |
| 1871 | Sold to Lawson & Evans. |
| 1876-77 | Negligible ore produced |
| 1878 | New discovery of ore |
| 1881 | 1695 tons produced |
| 1890 | Closure |
Sumarised from Hall
Publications (8)
- BGS - Mine Plans (large, zoomable) - Llanfrynach Lead Mine Tracing Of Plan By Lewis Evans,carmarthon 1883,d.Stones 1st May 1970; 1 pages
- BGS - Mine Plans (large, zoomable) - Llanfyrnach Lead Mine Underground Plan; 1 pages
- BGS - Mine Plans (large, zoomable) - Llanfyrnach Lead Mine; 1 pages
- BGS - Mine Plans (large, zoomable) - Llanfyrnach Lead Mine; 1 pages
- BGS - Mine Plans (large, zoomable) - Llanfyrnach Lead Mine; 1 pages
- Claughton, Peter (2001); PDMHS (Peak District Mines Historical Society) 14-6 Win - Mining History and the Internet; 4 pages (50-53)
- Hall, G.(1971); Metal Mines of Southern Wales; pp. 3
- Tucker, D.G. (1979); New light on Llanfyrnach Lead Mine; 4 pages (44-47)
