Mawson Peak
Encyclopedia
Mawson Peak is a mountain
Mountain
Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 on Heard Island
Heard Island and McDonald Islands
The Heard Island and McDonald Islands are an Australian external territory and volcanic group of barren Antarctic islands, about two-thirds of the way from Madagascar to Antarctica. The group's overall size is in area and it has of coastline...

, an external Australian territory
States and territories of Australia
The Commonwealth of Australia is a union of six states and various territories. The Australian mainland is made up of five states and three territories, with the sixth state of Tasmania being made up of islands. In addition there are six island territories, known as external territories, and a...

 in the Southern Ocean
Southern Ocean
The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...

. With its summit
Summit (topography)
In topography, a summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a local maximum in elevation...

 at 2745 metres (9,006 ft), it is the second highest peak in any state or territory of Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, surpassed only by the 3490 metres (11,450 ft) Mount McClintock
Mount McClintock
Mount McClintock is the highest mountain in the Britannia Range in Australian Antarctic Territory, surmounting the south end of Forbes Ridge, east of Mount Olympus. It was discovered by the Discovery expedition and named for Admiral Sir Leopold McClintock, Royal Navy, a member of the Ship...

 in the Britannia Range in Australian Antarctic Territory
Australian Antarctic Territory
The Australian Antarctic Territory is a part of Antarctica. It was claimed by the United Kingdom and placed under the authority of the Commonwealth of Australia in 1933. It is the largest territory of Antarctica claimed by any nation...

. An active complex volcano
Complex volcano
A complex volcano, also called a compound volcano, is a volcano with more than one feature. They form because changes of their eruptive characteristics or the location of multiple vents in an area...

 (its last eruption
Types of volcanic eruptions
During a volcanic eruption, lava, tephra , and various gases are expelled from a volcanic vent or fissure. Several types of volcanic eruptions have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed...

 occurred in 1993), Mawson Peak is the summit of the Big Ben
Big Ben (Heard Island)
Big Ben is a volcanic massif that dominates the geography of Heard Island in the southern Indian Ocean. It is a composite cone with a diameter of approximately 25 kilometres. Its highest peak is Mawson Peak, which is 2,745 m above sea level. Much of it is covered by ice, including 14...

 massif
Massif
In geology, a massif is a section of a planet's crust that is demarcated by faults or flexures. In the movement of the crust, a massif tends to retain its internal structure while being displaced as a whole...

.

Discovery and naming

Mawson Peak was named by the 1948 ANARE
Australian National Antarctic Research Expeditions
The Australian National Antarctic Research Expeditions is the historical name for the Australian Antarctic Program administered for Australia by the Australian Antarctic Division .-The ANARE Name:...

 Heard Island Expedition after Sir Douglas Mawson
Douglas Mawson
Sir Douglas Mawson, OBE, FRS, FAA was an Australian geologist, Antarctic explorer and Academic. Along with Roald Amundsen, Robert Falcon Scott, and Ernest Shackleton, Mawson was a key expedition leader during the Heroic Age of Antarctic Exploration.-Early work:He was appointed geologist to an...

, the leader of BANZARE
British Australian and New Zealand Antarctic Research Expedition
The British Australian New Zealand Antarctic Research Expedition was a research expedition into Antarctica between 1929 and 1931, involving two voyages over consecutive Austral summers...

1929-31, who visited the island in NovemberDecember 1929.

External links

  • Click here to see a map of Heard Island and McDonald Islands, including all major topographical features
  • http://aadc-maps.aad.gov.au/aadc/gaz/display_name.cfm?gaz_id=2026
  • http://www.volcano.si.edu/world/volcano.cfm?vnum=0304-01=
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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