Discovery of continental stretching and oceanic spreading in the Tasman Sea

Type Article
Date 2005-03-08
Language English
Author(s) Lafoy Y.1, Géli LouisORCID2, Klingelhoefer FraukeORCID2, Vially R.3, Sichler Bertrand2, Nouzé Herve2
Affiliation(s) 1 : Direction de l'Industrie, des Mines et de l'Energie, Noumea, Nouvelle-Caledonie
2 : Ifremer Centre de Brest, Plouzane, France
3 : Institut Francais du Petrole, France
Source Eos, Transactions American Geophysical Union (0096-3941) (Wiley-Blackwell), 2005-03-08 , Vol. 86 , N. 10 , P. 101-108
DOI 10.1029/2005EO100001
Abstract A deep seismic survey conducted within the western part of New Caledonia's Exclusive Economic Zone (EEZ) (Figure 1) from 8 September–5 October 2004 revealed for the first time the thinned continental and oceanic natures of the crust beneath the eastern Tasman Sea. The survey which was conducted by an international group of scientists a board the Institut Francais de Recherche pour l'Exploitation de la MER (Ifremer) R/V L'Atalante, aimed at improving the understanding of the geological framework, crustal characteristics, and evolution of the submarine basin and ridge system located west of New Caledonia's mainland. The study area, located east of both Australia and the oceanic Tasman Sea Basin, is composed of continental fragments: the Lord Howe Rise and the Norfolk Ridge, which are separated by the New Caledonia and Fairway basins.
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