Cape Borda

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Cape Borda
South Australia
Cape Borda Lighthouse.jpg
Cape Borda Lighthouse
Cape Borda is located in South Australia
Cape Borda
Cape Borda
Coordinates Lua error in package.lua at line 80: module 'strict' not found.
Elevation 61 m (200 ft)[1]
LGA(s) Kangaroo Island Council
Localities around Cape Borda:
Great Australian Bight Investigator Strait Investigator Strait
Great Australian Bight Cape Borda Investigator Strait
Great Australian Bight Kangaroo Island Kangaroo Island

Cape Borda is a headland located on the north west tip of Kangaroo Island in South Australia about 70 km (43 mi) west of the town of Kingscote. It was named after Jean-Charles de Borda (1733-1799), the French mathematician, physicist, naturalist and sailor, by the Baudin expedition to Australia during January 1803. It has been the site of an operating lighthouse since 1858 and is currently located within the Flinders Chase National Park.

Description

Cape Borda is located about Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). west of Kingscote. It is the most north westerly point of the Kangaroo Island coast. It is the termination for a pair of coastlines - the western coastline extending from Cape du Couedic in the south and the northern coastline extending from Point Marsden in the east. It is described as ‘a bold cliffy headland, Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). high’ with ‘the upper half of the cliff is formed of white limestone, and the lower half is very dark volcanic rock’ and that ‘the hills at the cape rise to a height of more than Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). and are covered with small scrub.’[1][2]

Formation, geology & oceanography

Cape Borda was formed when the sea reached its present level 7,500 years ago after sea levels started to rise at the start of the Holocene.[3] The cliff line which includes Cape Borda consists of base strata of a metasandstone belonging to the Kanmantoo group bedrock such as Middleton Sandstone and Balquhidder Formation, overlaid by a relatively thick capping of Bridgewater Formation calcarenite rock.[3][4] The water adjoining the cliff face at Cape Borda drops to depths ranging between Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). to Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value)..[4]

History

Aboriginal use

By 1999, the literature had not cited any archaeological discoveries specific to Aboriginal use of land in the immediate vicinity of Cape Borda.[5]

European discovery

Cape Borda was named in January 1803 by the Baudin expedition of 1800-03 in the memory of Jean-Charles de Borda (1733-1799), the French mathematician, physicist, naturalist and sailor.[6][need quotation to verify]

Navigation aid

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Further information: Cape Borda Lightstation

The lighthouse at Cape Borda was the third of three provided for by legislation; the others being erected at Cape Willoughby and Troubridge Shoals (now called Troubridge Island). The light was officially lit on 13 July 1858 and was named the ‘Flinders Light’ in August 1858 in memory of Matthew Flinders.[7][8][9]

Fauna

The coast near the Cape Borda lighthouse previously supported colonies of little penguins[10] which are now believed to be extinct. Causes for local extinction are likely to include (but not be limited to) predation by increasing New Zealand fur seal populations and changes in prey availability.[11]

Protected area status

Cape Borda is currently located within the protected area known as the Flinders Chase National Park.[12] As of 2012, the waters surrounding its shores are part of a sanctuary zone located within the boundaries of the Western Kangaroo Island Marine Park.[13]

See also

References

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External links

  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ "The Ornithologists' Camp. Interesting and successful research." The Advertiser, South Australia (1905-10-25). Retrieved 2014-03-12.
  11. ↑ Wiebkin, A. S. (2011) Conservation management priorities for little penguin populations in Gulf St Vincent. Report to Adelaide and Mount Lofty Ranges Natural Resources Management Board. South Australian Research and Development Institute (Aquatic Sciences), Adelaide. SARDI Publication No. F2011/000188-1. SARDI Research Report Series No.588. 97pp.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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