Louisville seamount chain
From Infogalactic: the planetary knowledge core
| Louisville seamount chain | |
|---|---|
The Louisville seamount chain stretches diagonally across this bathymetric map of the southwest Pacific Ocean.
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| Summit area | length:4,300 km (2,700 mi) |
| Location | |
| Location | Southwest Pacific Ocean |
| Geology | |
| Type | Seamount chain |
| Volcanic arc/chain | Hotspot volcanoes |
| History | |
| Discovery date | 1972 |
The Louisville seamount chain is an underwater chain of over 70 seamounts in the Southwest Pacific Ocean. As one of the longest seamount chains on Earth it stretches some 4,300 kilometres[1] from the Pacific-Antarctic Ridge north west to the Tonga-Kermadec Trench, where it subducts under the Indo-Australian Plate as part of the Pacific Plate. The movement of the Pacific Plate over the Louisville hotspot formed the chain.
Depth-sounding data first revealed the existence of the seamount chain in 1972.[2]
See also
- Hotspot (geology)
- Osbourn Seamount the oldest seamount in the Louisville chain
References
- ↑ Vanderkluysen, L.; Mahoney, J. J.; Koppers, A. A.; and Lonsdale, P. F. (2007). Geochemical Evolution of the Louisville Seamount Chain, American Geophysical Union, Fall Meeting 2007, abstract #V42B-06.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Expedition 330 - Louisville Seamount Trail, Integrated Ocean Drilling Program, 13 December 2010 to 11 February 2011
- The Louisville Ridge – Tonga Trench collision: Implications for subduction zone dynamics, RV Sonne Research Expedition SO215 Cruise Report, 25 April 2011 to 11 June 2011
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