Carclaze is a suburb of the town of St Austell in mid-

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

, England, United Kingdom. The suburb forms part of the

civil parish In England, a civil parish is a type of administrative parish used for local government. It is a territorial designation which is the lowest tier of local government below districts and counties, or their combined form, the unitary authorit ...

of Treverbyn and gives its name to the

china clay Kaolinite ( ) is a clay mineral, with the chemical composition Al2 Si2 O5( OH)4. It is an important industrial mineral. It is a layered silicate mineral, with one tetrahedral sheet of silica () linked through oxygen atoms to one octahedra ...

works to the north.Carclaze mine produced tin and china clay for over 400 years. The tin ore is intermixed with shorl and

quartz Quartz is a hard, crystalline mineral composed of silica ( silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical ...

and is quarried rather than mined, with the whole rock crushed and washed to separate the tin. The mine was worked exclusively for tin until 1851 when china clay was also quarried. Following the collapse of the price of tin in the 1860s, Carclaze continued to produce china clay and in 1873 the circumference of the pit was over , deep and covered about .

Famous residents

* Mike Shaw,

The Who The Who are an English rock band formed in London in 1964. Their classic lineup consisted of lead singer Roger Daltrey, guitarist and singer Pete Townshend, bass guitarist and singer John Entwistle, and drummer Keith Moon. They are considered ...

References

External links

The role of Carclaze tin mine in eighteenth and nineteenth century geotourism
Populated places in Cornwall St Austell {{Restormel-geo-stub