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Tolgarrick Mine, St Stephen, St Stephen-in-Brannel, St Austell District, Cornwall, England, UK

UK Grid Reference: SW934519
Latitude: 50°19'50"N
Longitude: 4°54'16"W

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A trial made in 1922 in search of an extension of the South Terras uranium lode. The workings included an adit that was driven eastwards from the valley of the river Fal and a shaft to which it connected at 75 fms from its entrance. Where the lode was expected, short levels were driven to the north and south, but they only encountered strings of barren quartz. The adit was continued beyond the shaft and intersected with an elvan, from where radiocative water entered the workings. Without hitting a lode, it was abandoned at 133 fms from its entrance.

The workings are now completely obscured. The grid reference marks the approximate position of the adit portal.

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References

Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 2, p. 543.

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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: 29th Jun 2012 20:24:48