Laurie Island

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Laurie Island
Laurie Island in the South Orkney Islands.jpg
Adélie and chinstrap penguin rookeries on Laurie Island in the South Orkney Islands, 1996.
Laurie Island - South Orkney Islands, BAT.svg
Location of Laurie Island in the South Orkney Islands
Antarctica location map.svg
Red pog.svg
Laurie Island
Geography
Location Antarctica
Coordinates 60°43′43″S44°31′05″W / 60.72861°S 44.51806°W / -60.72861; -44.51806
Archipelago South Orkney Islands
Total islands1
Area86 km2 (33 sq mi)
Administration
Argentina/UK (disputed)
Administered under the Antarctic Treaty System
Largest settlement Orcadas Base (pop. 28)
Demographics
Population28 (2014)
Pop. density0.32/km2 (0.83/sq mi)

Laurie Island is the second largest of the South Orkney Islands. The island is claimed by both Argentina as part of Argentine Antarctica, and the United Kingdom as part of the British Antarctic Territory. However, under the Antarctic Treaty System all sovereignty claims are frozen, as the island lies south of the parallel 60°. Buchanan Point at the north-eastern end of the island, with Cape Whitson on its south coast, are Important Bird Areas.

Contents

History

A map of Laurie Island produced by the Scottish National Antarctic Expedition of 1903 Laurie Island map 1903.jpg
A map of Laurie Island produced by the Scottish National Antarctic Expedition of 1903

Laurie Island was discovered by Captains George Powell and Nathaniel Palmer in the course of their 1821 expedition to the South Atlantic. Richard Holmes Laurie used Powell's observations to create a map of the island, and subsequently, the island was named after him. [1] [2] Two years later, James Weddell mapped the island for the second time, though his charts turned out to be much less accurate than Powell's. Weddell attempted to rename the island to Melville Island for the 2nd Viscount Melville, [3] but the name failed to stick when the Scottish National Antarctic Expedition opted for Laurie Island instead. [4]

William S. Bruce conducted the first comprehensive scientific study of Laurie Island during the Scottish National Antarctic Expedition. Aboard his ship, the Scotia, Bruce landed on Laurie Island in March 1903. The first settlement, Omond House, was built by the crew out of stone, and would be used both as a shelter and as a post from which to study the weather. [5]

Orcadas Base Orcadas Base.jpg
Orcadas Base

In January 1904, Bruce offered control of Omond House to the government of Argentina; the house would later be renamed Orcadas Base. The British Government had previously refused to carry on the Scottish National Antarctic Expedition's scientific studies, as they considered Laurie Island itself worthless. The expedition lacked the necessary mandate to claim the island for either Britain or Scotland. [6] Nevertheless, Bruce's offer was accepted, and the Argentines would continue operating the meteorological station at Omond House, sending a ship each year to replenish supplies. Laurie Island would prove politically valuable to Argentina. To justify its claim to a sector of Antarctica, Argentina argued that its permanent settlement on the island demonstrated sovereignty, a key to securing a claim over a mostly desolate area. [7] [8] Robert Rudmose-Brown, who participated in Bruce's expedition, expressed a different view. He argued in a 1947 article that no country had the capability to govern a region as vast as Antarctica and thus no country had the standing to claim Antarctica as its own. [6]

By 1908, Britain had come to regret its previous assessment of Laurie Island. In the Letters Patent of 1908, Britain declared a claim over the South Orkney Islands and incorporated Laurie Island into the newly created Falkland Islands Dependencies, meaning that Laurie Island would be subject to the British government in the Falklands. [6] [9] Argentina did not lodge a formal protest against the Letters Patent and Britain interpreted this as an acceptance of the British claim. The British position was that Bruce had given the meteorological station, but not the island itself to Argentina. [10] The territorial dispute escalated in 1925 with the construction of an Argentinian wireless telegraph station on the island. As Argentina viewed Laurie Island as its own, the Argentine government did not request permission from the British government to operate the station, and for the first time, Argentina made an outright declaration that it had sovereignty over the island. [6] Britain saw the possibility of strategically relinquishing the South Orkney Islands to Argentina in order to strengthen diplomatic relations or to secure the Falkland Islands themselves. The Argentine occupation of Laurie Island posed a problem for this strategy, as it weakened Britain's claim to the South Orkneys. Before a British cession of the South Orkney Islands could exert any leverage, Britain would have to solidify its own claim over the territory. [7]

Laurie Island is also the site of the first post office built in the Antarctic. After William S. Bruce turned over the meteorological station to the Argentinian government, Argentina initiated postal services on 20 February 1904. The post office went inactive shortly after, until 1942, when Argentina restarted postal services, in part to assert its claim to the South Orkney Islands. [11] [12] [13] In response, the British government refused to acknowledge the legitimacy of the post office. When the auxiliary cruiser HMS Carnarvon Castle visited Laurie Island on 9 February 1943, [14] the Secretary of State for the Colonies cautioned the crew against sending letters while on shore, as doing so would undercut the British position that Argentina had no authority to establish a post office on Laurie Island in the first place. [15]

Geology

Sedimentary rocks, most notably the Greywacke-Shale Formation, constitute the bulk of Laurie Island. [16] [17] Dr. John H. Harvey Pirie, a geologist aboard the Scotia described the rock as "a fine-grained greywacke of a blue-grey or greenish-grey colour." The greywacke contained grains of many different minerals, quartz being the most numerous, along with plagioclase feldspar, titanite, zircon, biotite, chlorite, and veins of calcite. Pirie also found shale formations distributed across the island, usually fractured and twisted. Graptolite Island, off of Laurie Island's south-east coast, particularly exhibited these shale formations. [18] It was on Graptolite Island that Pirie collected three fossils which he later mistook to be the remains of ancient animal organisms known as graptolites, hence the name of the island. Gertrude Elles believed that Pleurograptus was the specific species to which the graptolites belonged. Later analysis showed that the fossils on Graptolite Island were merely the remains of ancient plants. [19] [20]

The dating of the Greywacke-Shale Formation has proved to be a source of scientific controversy. Based on Pirie's incorrect analysis of the "graptolites", geologist I. Rafael Cordini dated the rock's genesis to the Ordovician Period. However, this explanation proved to be untenable, as Laurie Island would have been far older than had been thought possible. The reassessment of Pirie's fossils as plant remains dates the formation of the Greywacke to the Carboniferous Period, many millions of years later than originally thought. [17] [20]

Places on Laurie Island

See also

Related Research Articles

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The history of Antarctica emerges from early Western theories of a vast continent, known as Terra Australis, believed to exist in the far south of the globe. The term Antarctic, referring to the opposite of the Arctic Circle, was coined by Marinus of Tyre in the 2nd century AD.

<span class="mw-page-title-main">British Antarctic Territory</span> British Overseas Territory

The British Antarctic Territory (BAT) is a sector of Antarctica claimed by the United Kingdom as one of its 14 British Overseas Territories, of which it is by far the largest by area. It comprises the region south of 60°S latitude and between longitudes 20°W and 80°W, forming a wedge shape that extends to the South Pole, overlapped by the Antarctic claims of Argentina and Chile. The claim to the region has been suspended since the Antarctic Treaty came into force in 1961.

<span class="mw-page-title-main">South Orkney Islands</span> Group of islands in the Southern Ocean north-east of the Antarctic Peninsula

The South Orkney Islands are a group of islands in the Southern Ocean, about 604 km (375 mi) north-east of the tip of the Antarctic Peninsula and 844 km (524 mi) south-west of South Georgia Island. They have a total area of about 620 km2 (240 sq mi). The islands are claimed both by Britain, and by Argentina as part of Argentine Antarctica. Under the 1959 Antarctic Treaty, sovereignty claims are held in abeyance.

<span class="mw-page-title-main">William Speirs Bruce</span> Scottish marine biologist and polar explorer

William Speirs Bruce was a British naturalist, polar scientist and oceanographer who organized and led the Scottish National Antarctic Expedition to the South Orkney Islands and the Weddell Sea. Among other achievements, the expedition established the first permanent weather station in Antarctica. Bruce later founded the Scottish Oceanographical Laboratory in Edinburgh, but his plans for a transcontinental Antarctic march via the South Pole were abandoned because of lack of public and financial support.

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<span class="mw-page-title-main">Orcadas Base</span> Antarctic base

Base Orcadas is an Argentine scientific station in Antarctica, and the oldest of the stations in Antarctica still in operation. It is located on Laurie Island, one of the South Orkney Islands, at 4 meters (13 ft) above sea level and 170 meters (558 ft) from the coastline. Established by the Scottish National Antarctic Expedition in 1903 and transferred to the Argentine government in 1904, the base has been permanently populated since, being one of six Argentine permanent bases in Argentina's claim to Antarctica, and the first permanently inhabited base in Antarctica.

<span class="mw-page-title-main">Argentine Antarctica</span> Department in Tierra del Fuego, Argentina

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<span class="mw-page-title-main">Pirie Peninsula</span> Peninsula of Antarctica

Pirie Peninsula is a narrow peninsula extending 6 km (3.7 mi) northward from the center of Laurie Island, in the South Orkney Islands of Antarctica. The peninsula was surveyed in 1903 by the Scottish National Antarctic Expedition under Bruce, who named it for Dr Harvey Pirie, surgeon and geologist of the expedition.

Cape Mabel is a headland forming the northern tip of Pirie Peninsula on the north coast of Laurie Island, in the South Orkney Islands, Antarctica.

<span class="mw-page-title-main">Ferrier Peninsula</span> Peninsula of Antarctica

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Graptolite Island is an island 0.8 km (0.50 mi) long in the north-east part of Fitchie Bay, lying off the south-east portion of Laurie Island in the South Orkney Islands of Antarctica. James Weddell's chart published in 1825 shows two islands in essentially this position. Existence of a single island was determined in 1903 by the Scottish National Antarctic Expedition under William Speirs Bruce, who so named it because what were thought to be graptolite fossils were found there. Later analysis showed that the fossils on Graptolite Island were merely the remains of ancient plants.

<span class="mw-page-title-main">Harvey Pirie</span> British bacteriologist and philatelist (1878–1965)

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<i>Scotia</i> (barque) Steamship and research vessel

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References

  1. ↑ "Laurie Island". Geographic Names Information System . United States Geological Survey, United States Department of the Interior . Retrieved 23 July 2013.
  2. ↑ "Name Details: Laurie Island (Gazetteer of the British Antarctic Territory)". Australian Antarctic Data Centre. Retrieved 23 July 2013.
  3. ↑ SCAR Composite Gazetteer
  4. ↑ Goodlad, James A. "South Orkney Islands". University of Strathclyde. Retrieved 23 July 2013.
  5. ↑ Goodlad, James A. "Autumn in Scotia Bay". University of Strathclyde. Retrieved 23 July 2013.
  6. 1 2 3 4 Wilson, Robert E. (March 1964). "National Interests and Claims in the Antarctic". Arctic. Arctic Institute of North America. 17 (1): 19–20. doi:10.14430/arctic3481. Archived from the original on 2 April 2015. Retrieved 8 August 2013.
  7. 1 2 Howkins, Adrian John (May 2008). "Frozen Empires: A History of the Antarctic Sovereignty Dispute Between Britain, Argentina, and Chile, 1939–1959" (PDF). University of Texas at Austin. Retrieved 23 July 2013.
  8. ↑ Goodlad, James A. "Bruce in Argentina". University of Strathclyde. Retrieved 23 July 2013.
  9. ↑ "Letters Patent of 21 July 1908". British Foreign and State Papers, 1907-08. London. 101: 76–77. 1912. Retrieved 9 August 2013.
  10. ↑ "Antarctica Cases (United Kingdom vs. Argentina; United Kingdom vs. Chile)" (PDF). International Court of Justice. 16 March 1956. Archived from the original (PDF) on 24 January 2014. Retrieved 9 August 2013.
  11. ↑ Headland, Robert K. (1989). Chronological List of Antarctic Expeditions and Related Historical Events. Cambridge: Cambridge University Press. p. 229. ISBN   9780521309035.
  12. ↑ Riffenburgh, Beau, ed. (2007). Encyclopedia of the Arctic. Vol. 1. New York: Routledge. pp. 727–728. ISBN   9780415970242.
  13. ↑ Dodds, Klaus (2002). Pink Ice: Britain and the South Atlantic Empire. London: I.B.Tauris & Co Ltd. pp. 17–18. ISBN   9781860647703.
  14. ↑ Day, David (2013). Antarctica: A Biography. Oxford University Press. p. 374. ISBN   978-0-19-986145-3.
  15. ↑ "Argentine Encroachments Against Certain Antarctic Dependencies of the Falkland Islands". The National Archives of the UK (TNA): Public Record Office (PRO) CAB 66/33/41. 27 January 1943. Retrieved 6 August 2013.
  16. ↑ Goodlad, James A. "Survey of Laurie Island". University of Strathclyde. Retrieved 23 July 2013.
  17. 1 2 Thomson, Janet W. (5 April 1972). "The geology of Powell, Christofferson and Michelsen Islands, South Orkney Islands" (PDF). British Antarctic Survey Bulletin, No. 33 and 34. British Antarctic Survey. Archived from the original (PDF) on 18 May 2013. Retrieved 23 July 2013.
  18. ↑ Pirie, John H. Harvey (7 February 1905). "On the Graptolite-Bearing Rocks of the South Orkneys". Proceedings of the Royal Society of Edinburgh. Neill and Company, Limited. pp. 463–470.
  19. ↑ Stone, Phil (September 2003). "Fossils from the South Atlantic: the geological legacy of the Scottish National Antarctic Expedition, 19O2-19O5". Edinburgh Geological Society. Retrieved 23 July 2013.
  20. 1 2 Stone, Phil (2003). "Falkland fossils" (PDF). Natural Environment Research Council. Archived from the original (PDF) on 3 July 2012. Retrieved 23 July 2013.

60°43′43″S44°31′05″W / 60.72861°S 44.51806°W / -60.72861; -44.51806

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