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Whiteworks Shaft, United Downs, Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Cassiterite
Whiteworks Shaft, United Downs, Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Photo: Arliguie M
UK Grid Reference: SW741417
Latitude: 50°13'53"N
Longitude: 5°10'4"W
A trial that was opened in 1935. Most of the work done was in old mine workings to a depth of 200 feet. No lode occurs in this section, but the decomposed killas are traversed by thin streaks of dark tourmaline peach which include cassiterite. The values however were rather patchy and works ceased in 1939. Until that time, up to 2 tons of black tin concentrates had been produced per month.

References

- Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, p. 410 (see also corrigenda in the 1994 reprint).

Mineral List

Cassiterite
Quartz
'Tourmaline'


3 entries listed. 2 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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: 30th Jun 2011 08:12:18
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