GB Cave

Coordinates: 51°18′10″N 2°45′11″W / 51.302811°N 2.753105°W / 51.302811; -2.753105
Source: Wikipedia, the free encyclopedia.

GB Cave
UK
OS gridST 47595623
Coordinates51°18′10″N 2°45′11″W / 51.302811°N 2.753105°W / 51.302811; -2.753105
Depth134 metres (440 ft)
Length1,950 metres (6,400 ft)
Elevation253 metres (830 ft)
Discovery1939
GeologyLimestone
Accesslocked
Cave survey
  • 1. Bracknell CC (overlaid on map)
  • 2. Geological Conservation Review
  • 3. UBSS
  • 4. "GB Cave". Mendip Cave Registry & Archive.
RegistryMendip Cave Registry[1]

GB Cave is a cave between Charterhouse and Shipham in the limestone of the Mendip Hills, in Somerset, England.[2]

The cave was first entered on 19 November 1939, after ten months of digging, by the University of Bristol Spelæological Society, and was named in recognition of the two members, F. J. Goddard and C. C. Barker, who had done most of the work involved in its discovery.[3][4][5] The cave is located within the Cheddar Complex and the 17-acre GB Gruffy nature reserve and is close to Charterhouse Cave, the deepest cave in the region.[2]

Ladder Dig broke through in 1966 to gain access to the extremely well-decorated Bat Passage.[6]

The entrance to the cave is kept locked, and access is controlled by the Charterhouse Caving Company.[7]

Description

GB Cave is remarkable for the Gorge, a river-passage up to 6 metres (20 ft) wide, 12 metres (39 ft) high and 90 metres (295 ft) long, which opens into the even larger Main Chamber (20 metres (66 ft) wide, 23 metres (75 ft) high, 122 metres (400 ft) long). Together these two form what was thought to be largest known space under the Mendip Hills,[8] until the discovery of "The Frozen Deep" in Reservoir Hole in 2012.[9]

Further into the cave is the Great Chamber, another large space, and a number of other chambers in the cave are well decorated.

The trace elements

speleothems taken from the Great Chamber.[10]

See also

References

  1. ^ "GB Cave". Mendip Cave Registry & Archive. Retrieved 30 March 2012.
  2. ^ a b "GB Gruffy". Wildlife Trusts Somerset. Retrieved 22 May 2007.
  3. ^ Goddard, F.J. (1944). "G.B. Cave, Charterhouse on Mendip". UBSS Proceedings. 5 (1). UBSS: 104–113.
  4. ASIN B0000CNIE0
    .
  5. ISBN 978-0-9500433-6-4
    .
  6. ^ Norton, M.G. (1966). "Interim report on the Ladder Dig Series, G.B. Cave, Charterhouse-on-Mendip, Somerset". UBSS Proceedings. 11 (1). UBSS: 63–70.
  7. ^ "Home page". Charterhouse Caving Company. Retrieved 11 May 2020.
  8. ISBN 0-9536103-0-6
    . – which also contains a detailed description of the cave.
  9. ^ "Cheddar cave 'biggest in Mendip Hills'". BBC News online. 7 September 2012. Retrieved 16 September 2012.
  10. S2CID 129027419
    .
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