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Cockburn Island (Antarctica)

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Title: Cockburn Island (Antarctica)  
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Cockburn Island (Antarctica)

Cockburn Island
Cockburn Island (Antarctica) is located in Antarctic Peninsula
Antarctic Peninsula
Cockburn Island (Antarctica) is located in Antarctica
Location in Antarctica
Geography
Location Antarctica
Coordinates
Length 2.7 km (1.68 mi)
Width 2.0 km (1.24 mi)
Highest elevation 450 m (1,480 ft)
Country
None
Demographics
Population Uninhabited
Additional information
Administered under the Antarctic Treaty System

Cockburn Island is an oval Royal Navy, then senior Lord of the Admiralty.

Contents

  • Geology 1
  • Wildlife 2
  • See also 3
  • References 4
  • External links 5

Geology

Geologically, the area makes up the Cockburn Island Formation, which was studied extensively in the late 1990s by H. A. Jonkers.[1] Rocks found on the island are volcanic,[2] and the island is characterized by its "precipitous cliffs".[3] A "Pecten conglomerate" from the late Pliocene or early Pleistocene period has been identified on the island, situated on a wave-cut platform at 720-820 ft.[4]

Wildlife

The island has been identified as an Important Bird Area (IBA) by BirdLife International because it supports a breeding colony of about 800 pairs of imperial shags. Although a large colony of Adélie penguins and snow petrel nests were reported from the island in 1901, it is not known whether they continue to breed there.[5] J.D. Hooker made a series of botanical collections on the island in 1843.[6]

See also

References

  1. ^ Francis, Jane E.; Pirrie, Duncan; Crame, J. Alistair (1 January 2006). Cretaceous-tertiary High-latitude Palaeoenvironments: James Ross Basin, Antarctica. Geological Society of London. p. 79.  
  2. ^ Hooker, Sir Joseph Dalton (1847). Botany of the Antarctic voyage of H. M. discovery ships, Erebus and Terror: under the command of Captain Sir J.C. Ross, 1839-43. p. 535. 
  3. ^ Zalasiewicz, Jan; Williams, Mark (22 March 2012). The Goldilocks Planet: The 4 billion year story of Earth's climate. Oxford University Press. p. 147.  
  4. ^ Richards, Horace (December 2007). Annotated Bibliography of Quaternary Shorelines: Supplement 1965-1969. Academy of Natural Sciences. p. 225.  
  5. ^ "Cockburn Island". BirdLife data zone: Important Bird Areas. BirdLife International. 2012. Retrieved 2012-12-14. 
  6. ^ Putzke, Jair; Pereira, Antônio Batista (2001). The Antarctic Mosses: With Special Reference to the South Shetland Islands. Editora da ULBRA. p. 23.  

External links

  • U.S. Geological Survey Geographic Names Information System: Cockburn Island
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