Back Plateau oceanico della Tasmania orientale Italian 東タスマニア海台 Japanese

East Tasman Plateau

43°58′S 150°29′E / 43.96°S 150.48°E / -43.96; 150.48

Topographic map of Zealandia that includes the East Tasman Plateau and Cascade Seamount south east of Tasmania at the far left on the map , just south of the latitude of the Gilbert Seamount which is labelled on the map

The East Tasman Plateau is a submerged microcontinent south east of Tasmania. Its area is 50,000 square kilometres (19,000 sq mi), and it is mostly from 2,500 to 3,000 metres (8,200 to 9,800 ft) deep.[1] It is a circular piece of continental rocks surrounded by oceanic crust. Volcanism occurred there 36 million years ago.[2] The East Tasman Plateau is separated from the island of Tasmania by 100 kilometres (62 mi) of deeper water, and the East Tasman Saddle is a higher ridge connecting the plateau to the Freycinet Peninsula region of the Tasmanian East Coast.[1] This ridge runs north west from the plateau.[1] South-west of the plateau is the L'Atalante Depression.[3] The East Tasman Plateau represents a continental fragment.

  1. ^ a b c Hill, P. J.; A. M. G. Moore (2001). Geological framework of the South Tasman Rise and East Tasman Plateau (PDF). Department of Industry, Tourism & Resources. ISBN 978-0642467218. Retrieved 5 July 2014.
  2. ^ C. Gaina, R. D. Müller, B. Brown and T. Ishihara: Microcontinent formation around Australia Archived 2008-07-23 at the Wayback Machine in Geological Society of Australia Special Publication 22, 2001 page 400–405
  3. ^ Cite error: The named reference Exon1997 was invoked but never defined (see the help page).

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