Penrhyn Dû Mines

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Coordinates: 52°48′28″N 4°29′33″W / 52.807639°N 4.492378°W / 52.807639; -4.492378

Cornish Row sitting on the Penrhyn Dû headland
The Old Day Level rediscovered in 2018
The New Day Level in 2018

The Penrhyn Dû Mines are a collection of mines situated near Llanengan on the Llŷn Peninsula. It encompasses the Penrhyn, Assheton, Western and Tan-y-Bwlch mines.[1][2] The whole region can be called Penrhyn Du which literally means "black headland".

Tan-y-Bwlch Mine was probably the richest of the mines with a recorded output of 8,722 long tons (8,862 tonnes) of lead ore, 450 long tons (460 tonnes) of and 4,652 long tons (4,727 tonnes) of copper ore between 1873 and 1886.[1]

History[]

There is a possibility that Roman miners were the first to mine the Penrhyn Dû headland[3] After any Roman mining the mines were rarely worked until the reign of Elizabeth I[3] where the need for lead was high. In 1637 Thomas Bushel was asked by Charles I[2] to inspect and report on the prospects for Welsh mining. In his report of that year Bushel states:

"...that at Pottherly [sic] there is a vein which has never been wrought though known about these twenty years..."[2]

The main period of working was in the 19th century but by the turn of the 20th century the mining operations had mostly ceased.[1] The last recorded output was in 1930 at just 5 tons.

Location[]

A Postcard dated 1930, of Porth Bach and Penrhyn du headland.

The Penrhyn Dû mines are located within Gwynedd in north-west Wales. There are south of the village of Abersoch[4]and east to the village of Llanenganon

Recent history[]

After the mines closed modern developments have covered up many of the workings.[2] Some evidence of the Cornish miners has been left, the most prominent of which is the house Cornish Row made up of the old cottages of the Cornish miners.[4]


Ore list[]

References[]

  1. ^ a b c "Penrhyn Du Mine, Abersoch, Llanengan, Lleyn Peninsula, Gwynedd, Wales, UK". www.mindat.org. Retrieved 2018-11-21.
  2. ^ a b c d Masters, Peter. "Penrhyn Dû" (PDF).
  3. ^ a b Bennet and Vernon, John and Robert. Metal Mines of Llanengan. UK: Gwydir Mines Publications. pp. 1–3.
  4. ^ a b "Mindat".
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