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Part of a mining complex 210m south of Nancegollan Farm

A Scheduled Monument in Sithney, Cornwall

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Coordinates

Latitude: 50.144 / 50°8'38"N

Longitude: -5.3045 / 5°18'16"W

OS Eastings: 163994.516786

OS Northings: 32331.17054

OS Grid: SW639323

Mapcode National: GBR FX89.K0H

Mapcode Global: VH12X.0MKZ

Entry Name: Part of a mining complex 210m south of Nancegollan Farm

Scheduled Date: 18 December 1978

Source: Historic England

Source ID: 1004610

English Heritage Legacy ID: CO 1061

County: Cornwall

Civil Parish: Sithney

Traditional County: Cornwall

Lieutenancy Area (Ceremonial County): Cornwall

Church of England Parish: Crowan

Church of England Diocese: Truro

Details

The monument includes part of a mining complex, situated to the east of the settlement of Nancegollan. The complex survives as a beam engine house; parts of the boiler house; a capped mine shaft; and detached chimney stack. The engine house is rectangular in plan. It stands to full-height and is roofless. Built from granite, it has brick-lined arched windows and an arched doorway. It once housed a 40 inch pumping engine which was advertised for sale in 1873. The engine house was built in the mid 1860's.

The nearby detached chimney stack was built in the mid-19th century and heightened in the 1860's. Circular in plan, it tapers upwards and is built of dressed granite with a moulded granite collar and brick upper stages. The boiler house connected with the engine house survives as foundations only.

The mine was known as Nancegollan Mine or Florence United Tin Mine
The engine house and chimney are Listed Grade II (65870) and (65871).

Sources: HER:-
PastScape Monument No:-426030

Source: Historic England

Reasons for Scheduling

Cornwall and West Devon, has been one of the major areas of non-ferrous metal mining in England. It is defined here as prospecting, extraction, ore processing and primary smelting/refining, and its more important and prolific products include copper, tin and arsenic, along with a range of other materials which occur in the same ore bodies. The 18th century saw technological advances turning to the mining operations. During this period, Cornish-mined copper dominated the market, although it was by then sent out of the region for smelting. The development of steam power for pumping, winding and ore processing in the earlier 19th century saw a rapid increase in scale and depth of mine shafts. As the shallower copper-bearing ores became exhausted, so the mid to late 19th century saw the flourish of tin mining operations, resulting in the characteristic West Cornish mining complex of engine houses and associated structures which is so clearly identifiable around the world. Ore processing increased in scale, resulting in extensive dressing floors and mills by late in the 19th century. Technological innovation is especially characteristic of both mining and processing towards the end of the century. Arsenic extraction also evolved rapidly during the 19th century, adding a further range of distinctive processing and refining components at some mines; the South West became the world's main producer in the late 19th century. From the 1860s, the South West mining industries began to decline due to competition with cheaper sources of copper and tin ore from overseas, leading to a major economic collapse and widespread mine closures in the 1880s, although limited ore-extraction and spoil reprocessing continued into the 20th century. The part of a mining complex 210m south of Nancegollan Farm survives well and includes an engine house and chimney so characteristic of this industry. Its importance is viewed on a local, national and global scale as it bears witness to an important industry in this part of Cornwall.

Source: Historic England

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