@article{fdi:010071402,
  title = {{D}eepwater fold-and-thrust belt along {N}ew {C}aledonia's western margin : relation to post-obduction vertical motions},
  author = {{C}ollot, {J}. and {P}atriat, {M}. and {E}tienne, {S}. and {R}ouillard, {P}. and {S}oetaert, {F}. and {J}uan, {C}. and {M}arcaillou, {B}oris and {P}alazzin, {G}. and {C}lerc, {C}. and {M}aurizot, {P}. and {P}attier, {F}. and {T}ournadour, {E}. and {S}evin, {B}. and {P}rivat, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{C}lassically, deepwater fold-and-thrust belts are classified in two main types, depending if they result from near- or far-field stresses and the understanding of their driving and triggering mechanism is poorly known. {W}e present a geophysical data set off the western margin of {N}ew {C}aledonia ({SW} {P}acific) that reveals deformed structures of a deepwater fold-and-thrust belt that we interpret as a near-field gravity-driven system, which is not located at a rifted passive margin. {T}he main factor triggering deformation is inferred to be oversteepening of the margin slope by postobduction isostatic rebound. {O}nshore erosion of abnormally dense obducted material, combined with sediment loading in the adjacent basin, has induced vertical motions that have caused oversteepening of the margin. {D}etailed morphobathymetric, seismic stratigraphic, and structural analysis reveals that the fold-and-thrust belt extends 200km along the margin, and 50km into the {N}ew {C}aledonia {T}rough. {D}eformation is rooted at depths greater than 5km beneath the seafloor, affects an area of 3,500km(2), and involves a sediment volume of approximately 13,000km(3). {T}his deformed belt is organized into an imbricate fan system of faults, and one out-of-sequence thrust fault affects the seabed. {T}he thrust faults are deeply rooted in the basin along a low-angle floor thrust and connected to {N}ew {C}aledonia {I}sland along a major detachment. {T}his study not only provides a better knowledge of the {N}ew {C}aledonia margin but also provides new insight into the mechanisms that trigger deepwater fold-and-thrust belts.},
  keywords = {deepwater fold-and-thrust belt ; obduction ; isostasy ; {NOUVELLE} {CALEDONIE}},
  booktitle = {},
  journal = {{T}ectonics},
  volume = {36},
  numero = {10},
  pages = {2108--2122},
  ISSN = {0278-7407},
  year = {2017},
  DOI = {10.1002/2017tc004542},
  URL = {https://www.documentation.ird.fr/hor/fdi:010071402},
}