Thermal regime of the Southeast Indian Ridge between 88°E and 140°E: Remarks on the subsidence of the ridge flanks

• Published in: Journal of Geophysical Research
• Main Authors: Géli, L., R. Cochran, J., C. Lee, T., Francheteau, J., Labails, C., Fouchet, C., Christie, D.
• Other Authors: Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), Lamont-Doherty Earth Observatory (LDEO), Columbia University New York, College of Ocean and Atmospheric Sciences, Oregon State University (OSU), Domaines Océaniques (LDO), Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Observatoire des Sciences de l'Univers-Institut d'écologie et environnement-Centre National de la Recherche Scientifique (CNRS), West Coast and Polar Regions Undersea Research Center, University of Alaska Fairbanks (UAF)
• Format: Article in Journal/Newspaper
• Language: English
• Published: HAL CCSD 2007
• Subjects: Southeast Indian Ridge; seafloor subsidence; mantle temperature; [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]; [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]; [SDE.MCG]Environmental Sciences/Global Changes; Antarctic; Australian-Antarctic Discordance; Indian; Antarc*
• Online Access: https://hal-insu.archives-ouvertes.fr/insu-00188805; https://hal-insu.archives-ouvertes.fr/insu-00188805/document; https://hal-insu.archives-ouvertes.fr/insu-00188805/file/JGR-Geli-Franch-07.pdf; https://doi.org/10.1029/2006JB004578

International audience The flanks of the Southeast Indian Ridge are characterized by anomalously low subsidence rates for the 0–25 Ma period: less than 300 m Ma−1/2 between 101°E and 120°E and less than 260 m Ma−1/2 within the Australian-Antarctic Discordance (AAD), between 120°E and 128°E. The expe...