Offeren

aka British Silver Lead Mine or Newborough


Lead and Copper Mine

Worked from 1850s to late 1880s

Jan 1st, 2024 from CMOS by Buddle-Bot

Jan 9th, 2025 by BertyBasset



North Wales
Blaenau Ffestiniog
53.0006828, -3.8938968
SH 7300 4650
Open Access
520m
#1,090


A lode at surface ahowing sphalerite, chalcopyrite and galena.

Water filled shaft with spoil heaps with much quartz.



Year Activity
1850 Shares for Newborough Mine on the market
18?? David Roberts holds sett in grant by Lord Newborough
1878 John L.M. Frazer of Minera Mines floats British Silver Lead Mining Co. Ltd to purchase sett from Roberts
c1887 closure

Publications (1)

  • Bick, D.E. (2003); Old Copper Mines of Snowdonia, The; pp. 132-133





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