It should not be assumed that this site is publicly accessible and it may be on private property. Do not trespass.
|HER Number:||TQ 57 SE 150|
|Type of record:||Monument|
|Name:||Barnfield Pit (Collyers Pit or New Craylands Lane Pit),|
Barnfield Pit was opened in the later 19th century, sometime between 1862 and 1899 as it is shown on the 2nd ED OS map, to supply gravel and then chalk to the main Swanscombe Cement works to the north-east. It formed an extension to the Claylands Pit which lay between the railway line and London Road. The main part of the quarry was backfilled in the 1950's and 1960's using Thanet Sand. (location accurate to the nearest 10m based on available information)
|Grid Reference:||TQ 5971 7445|
|Parish:||SWANSCOMBE AND GREENHITHE, DARTFORD, KENT|
- QUARRY (Abandoned, Post Medieval to Modern - 1860 AD? to 1959 AD? (at some time))
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Barnfield Pit was opened in the later 19th century, sometime between 1862 and 1899 as it is shown on the 2nd ED OS map, to supply gravel and then chalk to the main Swanscombe Cement works to the north-east (TQ 67 NW 98). It formed an extension to the Claylands Pit which lay between the railway line and London Road to which it was linked via a tunnel extending below Craylands Lane and the railway. During the 1920's two tramlines were built along the western edge of the quarry which later linked the pit to other pits opened to the south (TQ 67 NW 99) via a pair of tunnels extending below first, the southerly footpath crossing the pit and the Alkerden Road. Another footpath to the north and running along the top of a ridge of spoil linking Craylands Lane to Knockhall Road was also added during the 1920's. At this point a cast-iron footbridge was also added to span the gap between the quarry edge and the footpath causeway, needed to allow the western tramway to pass.
The main part of the quarry was backfilled in the 1950's and 1960's using Thanet Sane. This buried industrial features such as the engine and pump houses (TQ5984974647 & TQ 5987874596) and lower tramways. The backfilling created a linear ravine, the Craylands Gorge, following the course of the western tramway. The Gorge remains relatively undisturbed and the bed of the tramway can be recognised for most of its length.
As any features within the Barnfield Pit now lie below a considerable amount of backfill, the potential for future study is remote. A more systematic survey of the gorge may uncover more quarry related features and clarify the use/function of the various pipes crossing the gorge. (1-2)
<1> Essex County Council, 2003, Aggregates Levy Survey Industrial Sites, KN877/911 (Unpublished document). SKE12009.
<2> Wessex Archaeology, March 2004, Swanscombe Heritage Park and Craylands Gorge, Swanscombe, Kent. Archaeological and Geological Desk Based Assessment (Unpublished document). SWX12883.
Sources and further reading
|<1>XY||Unpublished document: Essex County Council. 2003. Aggregates Levy Survey Industrial Sites. KN877/911. [Mapped feature: #108068 quarry, ]|
|<2>||Unpublished document: Wessex Archaeology. March 2004. Swanscombe Heritage Park and Craylands Gorge, Swanscombe, Kent. Archaeological and Geological Desk Based Assessment. |
|TQ 67 SW 1727||Parent of: Tramlines linking quarry pits, Swanscombe (Monument)|
|TQ 57 SE 315||Parent of: Tunnel at Craylands Lane (south) used Second World War tunnel air raid shelter, Swanscombe, Dartford, Kent (Monument)|
|TQ 57 SE 316||Parent of: Tunnel beneath Craylands Lane (north) Swanscombe (Monument)|
|TQ 57 SE 1099||Parent of: Tunnel within old chalk pit, Swanscombe. (Monument)|
|TQ 67 NW 98||Part of: J. B. White Portland Cement Works, Swanscombe (Monument)|