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South Crofty Mine (South Wheal Crofty), Pool, Carn Brea, Cornwall, England, UK

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This section contains information provided by the site operator.

Strongbow Exploration Inc.



WORKING TOWARDS A “CLEAN TIN” SUPPLY FOR THE HIGH TECH WORLD

Our flagship project is the past producing South Crofty underground tin mine in Cornwall, UK. With a mining licence (valid to 2071), planning permission to construct a new surface process plant and water discharge permit in place, the project is fully permitted. The project further benefits from numerous shafts preserved for future mining activity, a high-grade NI 43-101 Mineral Resource Estimate, and a strongly supportive local community that has a long history of mining.

The predominant uses for tin today are in the high tech world, as lead-free solder in circuit boards and in various forms of batteries. Companies using tin are coming under increasing scrutiny to demonstrate that the materials they use are not supporting conflict, do not contribute to environmental damage, and / or exploit children in the workforce.

Strongbow is well positioned to capitalise on the demand for “CLEAN TIN”

Links



Corporate Website

The South Crofty Project

Code of Business Conduct and Ethics (download)


Video





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Latitude & Longitude (WGS84): 50° 13' 22'' North , 5° 16' 28'' West
Latitude & Longitude (decimal): 50.22297,-5.27456
GeoHash:G#: gbujxyz1v
UK National Grid Reference:SW667413
Other regions containing this locality:Devon and Cornwall metalliferous mining district, England, UK
Owned/operated by:Strongbow Exploration Inc (100%)
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


South Crofty began life as a small sett called Penhellick Vean in the 1590s, but absorbed smaller mines around it, becoming South Wheal Crofty in 1854.

Initially a shallow tin mine and then a copper mine, the mine workings went back into the deep tin zone from the 1860s onwards, when copper production began to decline.

In 1906 South Crofty Mine Ltd became the foundation of the modern mine. From the 1890s the mine acquired other setts as the surrounding mines closed. These included New Cook's Kitchen, Tincroft & Carn Brea, North Roskear, South Roskear, and Dolcoath Mine in 1930, to become a huge enterprise nearly 4.5 km in length.

Workings are 731 meters deep and feature 2 shafts: Robinson's man riding shaft at 682 meters & Cook's shaft at 731 meters.

Robinsons Shaft was abandoned in the early 1990's as it was becoming dangerous. All man riding and ore hoisting was then transferred to New Cooks Kitchen shaft. Roskear Shaft was then reconditioned and fitted with a new headframe and winder to serve for emergency egress purposes.

An extensive history of the mine is given in J.A. Buckley's "A History of South Crofty Mine".




Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


37 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Carboniferous
323.2 - 358.9 Ma



ID: 3192903
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Late Devonian
358.9 - 382.7 Ma



ID: 2033495
Upper Devonian Rocks (Undifferentiated)

Age: Late Devonian (358.9 - 382.7 Ma)

Lithology: Mudstone, siltstone and sandstone

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Late Devonian
358.9 - 382.7 Ma



ID: 3135052
Late Devonian claystone

Age: Late Devonian (358.9 - 382.7 Ma)

Lithology: Claystone

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Russell, A. (1911) On the occurrence of phenacite in Cornwall. Mineralogical Magazine, vol. 16, n° 73, 55-62.
Bureau of Mines Mineral Trade Notes (Jun 20, 1947).
Dines, H.G. (1956) The metalliferous mining region of south-west England. HMSO Publications (London), Vol. 1, pp. 317-326.
Mining Annual Review (1985) 35: 485.
Rocks & Minerals: 22: 1030.

Documents

Title (click to view)YearAuthor
Technical Report for South Crofty2017Strongbow Exploration Inc
Technical Report for South Crofty2016Strongbow Exploration Inc

External Links


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