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Summary

Remains of the southern part of Furzehill Mine, also referred to as Birch Mine. Amalgamated with Lockridge and Whitsam mines in mid 19th century to form East Tamar Consols. Earthworks and a structure associated with the mine were transcribed from aerial photographs of 1949 as part of the Tamar Valley NMP project.

Location

Protected Status: none recorded

Other References/Statuses

• Old DCC SMR Ref: SX46NW/538

Monument Type(s) and Dates

• MINE (XIV to XIX - 1301 AD to 1900 AD (Between))

Full description

Unknown, Untitled Source (Unattributed Sites and Monuments Register Entry). SDV344104.

"Birch Mine, Buildings etc" marked on Bere Ferrers Tithe Map of 1842 (1541), in the Devon Record Office.

Claughton, P. F., 03/03/1993, Mine at Bere Alston; Collapse of Ground at Cleave Mine (Correspondence). SDV359155.

Ordnance Survey, 1884, Untitled Source (Cartographic). SDV344105.

"Furzehill Mine (Tin and Copper, disused)" marked.

Ordnance Survey, 1904 - 1906, Second Edition Ordnance Survey 25 inch Map (Cartographic). SDV325644.

Map object based on this Source.

Ordnance Survey, 1907, 111SW (Cartographic). SDV240062.

Booker, F., 1967, Industrial Archaeology of the Tamar Valley, 54-60, 67 (Monograph). SDV240774.

Also known as East Tamar Consols. Workings connected to South Tamar Consols. Continued working after flooding of 1856 by working the ground of Lockeridge mine. By 1861 the engine was unable to cope with rising water and production ceased.

Hamilton Jenkin, Dr. A. K., 1974, Mines of Devon. Volume 1: The Southern Area, 36-38 (Monograph). SDV336694.

Mayer, P., 1990, Calstock and Bere Alston Silver/Lead Mines in the 14th Century, 79-95 (Article in Serial). SDV343017.

Cranstone, D., 1991, The Lead Industry, 1G (Report - non-specific). SDV90317.

Birch/Furzehill Mine. Linear mineworkings along vein, betweeen SX436651 and SX437658. Survives as two lengths separated by reclaimed area. The only linear 'rake' workings surviving in Bere Alston mines. May retain medieval/tudor deposits, though the visible features look like 18th - 19th century reprocessing of earlier dumps. Nineteenth century mine at southern end consists of an intact chimney and a ruined engine house, with dressing waste and spoil heaps surviving as earthworks. The northern part of the complex consists of dressing waste, rake, shaft and spoil heaps surviving as earthworks, and other unspecified earthworks. Other details: Photocopy of Devon sites in parish file.

Only linear 'rake' workings surviving in Bere Alston mines. Medieval origins likely, but this area probably Lrgely reworked later. Less important than sub-sites 1F and 1H, but merits protection.

Claughton, P., 1994, Silver-Lead - A Restricted Resource: Technological Choice in Devon Mines, 54-59 (Article in Serial). SDV337126.

An adit of 50 fathoms was proposed at Furshill silver-lead mine in early 14th century.

Nance, R. W. + Nance, R. D., 1996, A Survey of Engine Houses on the Mines of South Devon, 109-122 (Article in Serial). SDV241746.

Claughton, P. F., 1996, The Lumburn Leat - evidence for new pumping technology at Bere Ferrers in the 15th Century, 35-40 (Article in Serial). SDV229681.

Mine drainage may have benefited from power supplied by the 16 kilometres 15th century Lumburn leat from the vicinity of Millhill west of Tavistock. Other details: Photcopy in Tavistock Hamlets parish file.

Buck, C., 1998, Preliminary Assessment of Industrial Sites of Archaeological Importance in the Tamar Valley, 55 (Report - Assessment). SDV336795.

Documentary evidence confirms area was mined for silver from circa 1290, this mine specifically mentioned in 1305. Was also worked in 19th century, being amalgamated with Whitsam and Lockridge under the name of East Tamar Consols in 1845.

Buck, C., 1998, Preliminary Assessment of Sites of Archaelogical Importance in the Tamar Valley, 50 (Report - Assessment). SDV241750.

Site visit 11th March 1998. Long narrow section of lode back pits, and possibly shallow medieval shafts (and 19th century air shafts) following the lode. Chimney and remains of engine house and boiler house appear stable. Large spoil heap south of the main building, eroding and may be toxic.

Cornwall Archaeological Unit, 2001-2002, Tamar Valley National Mapping Programme Transcriptions and Database Records, RAF/540/226/5288&89 1949 (Interpretation). SDV346287.

An earthwork cutting, spoil heap and structure of post-medieval date are visible on aerial photographs of 1949.

Claughton, P. F., 2003, Silver Mining in England and Wales, 1066-1500 (Post-Graduate Thesis). SDV81879.

Rippon, S. + Claughton, P. + Smart, C., 2009, Mining in a Medieval Landscape: The Royal Silver Mines of the Tamar Valley, 32, 62, 75, 80-82, 144 (Monograph). SDV344097.

One of four mines at Bere Ferrers, on the silver bearing deposit running from Lockridge Hill to the Tamar, in the early 14th century. Documentary evidence suggests deeper working by shafts was in progress at Furzehill by the early 16th century. Other details: Figures 3.5, 4.3-4.6, 6.15, 6.17.

Ordnance Survey, 2010, MasterMap (Cartographic). SDV344030.

Map object based on this Source.

Buck, C., 27/04/2010, Lode of Silver Mines (Correspondence). SDV344548.

Attached copy of part of John Hobart's map of 1737 shows the lode of the silver mines from South Tamar Consols northwards through Lower and Higher Birch.

Sources / Further Reading

Associated Monuments

Associated Finds: none recorded

Associated Events

• EDV6911 - Tamar Valley National Mapping Programme

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