Oakdale Colliery, Oakdale, Caerphilly (Gwent; Monmouthshire), Wales, UK

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Opened in 1911, the colliery was owned by the Oakdale Navigation Collieries Ltd, a subsidiary of the Tredegar Iron Company. It employed a workforce 2,235 at its peak in 1938.

Oakdale was linked to Markham and the Celynen North collieries in the late seventies and early eighties, making it the largest colliery in Gwent. The pit closed in 1989 and the tips are now largely removed and landscaped.

UK OS Grid Reference: ST193990
Map Reference: 51°41'0"N , 3°10'2"W

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Mineral List:

Aragonite
Baryte

Millerite
Quartz

Siderite
Siegenite

6 entries listed. 6 valid minerals.

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