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Garthgell Mine, Bontddu, Dolgellau Gold Belt, Gwynedd (Merionethshire), Wales, UK

A small and unsuccessful mine, worked for several years in the 1860s, and again at the start of the 20th century, on the strike of various lodes on the west bank of the Cwm-mynach river.

Several short adits were driven, including two on the eastward extension of the Clogau St David's lode. However, mineralisation was poor, the only recorded output being in 1900, with 5 ounces of gold being produced from 26 tons of ore. Other associated ore minerals include chalcopyrite, pyrite, sphalerite and galena

Refs.:
Goldmining in Western Merioneth, T. A. Morrison (undated)
The Gold Mines of Merioneth, G.W. Hall (undated)





UK OS Grid Reference: SH688197
Map Reference: 52°45'31"N , 3°56'40"W

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Mineral List:
Chalcopyrite
Galena
Gold
Pyrite
Sphalerite


5 entries listed. 5 valid minerals.

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