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Pentireglaze Mine (Pentire Glaze Mine), Polzeath, St Minver, Wadebridge District, Cornwall, England, UK

Photo: ian Jones

UK Grid Reference: SW940799
Latitude: 50°34'59"N
Longitude: 4°54'34"W

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A lead and silver mine which worked on two lodes, a NS-trending lode (probably the northern extension of the lode worked by Polzeath Consols) and a NE-trending lode which crops out in Pengirt Cove, northwest of Pentireglaze farm. The NS-trending lode was worked from two shafts on the south side of the small valley that joins the beach at Pentireglaze Haven. An overgrown dump of the more northerly shaft remains at the northeastern edge of New Polzeath village. The NE-trending lode was opened up from Engine Shaft, immediately west of Pentireglaze farm, and from an adit at the base of the cliff. The grid reference marks the large dump at Engine Shaft. The engine house ruin that stood there was demolished around 1957.

Between 1850 and 1875, the mine produced 955 tons of 67% lead ore and 19,065 ounces of silver.

Mineral List

Anglesite
Cerussite
Chalcopyrite
Erythrite

Galena
Lavendulan
Libethenite
Linarite

Mimetite
Olivenite
Pyromorphite
Quartz

Siderite ?
Sulphur

14 entries listed. 14 valid minerals.

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References

Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 573 (also see addenda in the 1994 reprint).

Embrey & Symes (1987): Minerals of Cornwall and Devon, p. 93.

Rocks & Minerals 16, 129.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 15th Dec 2012 18:38:26