Post-Middle Pleistocene geologic evolution of the southern part of the NewCaledonian lagoon.

Authors
Lafoy, Y Auzende, JM Smith, R Labails, C
Citation
Y. Lafoy et al., Post-Middle Pleistocene geologic evolution of the southern part of the NewCaledonian lagoon., CR AC S IIA, 330(4), 2000, pp. 265-272
Citations number
5
Categorie Soggetti
Earth Sciences
Journal title
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DELA TERRE ET DES PLANETES
ISSN journal
12518050 → ACNP
Volume
330
Issue
4
Year of publication
2000
Pages
265 - 272
Database
ISI
SICI code
1251-8050(20000229)330:4<265:PPGEOT>2.0.ZU;2-X
Abstract
Swath-bathymetric and seismic reflection data of the ZoNeCo 7 cruise acquir ed within the New Caledonian lagoon, offshore Noumea, reveal that since the post-Middle Pleistocene, the Dumbea and Boulari passes have migrated south eastward and westward, respectively, in building up palaeochannels' sedimen tary levees. Palaeochannel migrations and asymmetric sedimentary infilling within the two passes across time are controlled by inherited normal faults . Upstream of the passes, palaeocanyons represent the submerged extensions of the Dumbea and La Coulee river beds. (C) 2000 Academie des sciences / Ed itions scientifiques et medicales Elsevier SAS.