Geometry and structure of the Vitiaz Trench Lineament (SW Pacific)

Swath bathymetric, sonar imagery and seismic reflection data collected during the SOPACMAPS cruise Leg 3 over segments of the Vitiaz Trench Lineament and adjacent areas provide new insights on the geometry and the structural evolution of this seismically inactive lineament. The Vitiaz Trench Lineame...

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Bibliographic Details
Published in:Marine Geophysical Researches [MAR. GEOPHYS. RES.]. Vol. 18, no. 2-4. 1996 no. 2-4. 1996, 1996-06, Vol.18 (2-4), p.305-335
Main Authors: Pelletier, Bernard, Auzende, Jean-Marie
Format: Article
Language:English
Subjects:
Marine
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Summary:Swath bathymetric, sonar imagery and seismic reflection data collected during the SOPACMAPS cruise Leg 3 over segments of the Vitiaz Trench Lineament and adjacent areas provide new insights on the geometry and the structural evolution of this seismically inactive lineament. The Vitiaz Trench Lineament, although largely unknown, is one of the most important tectonic feature in the SW Pacific because it separates the Cretaceous crust of the Pacific Plate to the north from the Cenozoic lithosphere of the North Fiji and Lau Basins to the south. The lineament is considered to be the convergent plate boundary between the Pacific and Australian Plates during middle to late Tertiary time when the Vitiaz Arc was a continuous east-facing arc from the Tonga to the Solomon Islands before the development of the North Fiji and Lau Basins.
ISSN:0025-3235
1573-0581
DOI:10.1007/BF00286083