FN Archimer Export Format
PT J
TI Accelerated mafic weathering in Southeast Asia linked to late Neogene cooling
BT 
AF BAYON, Germain
   PATRIAT, Martin
   Godderis, Yves
   TRINQUIER, Anne
   De Deckker, Patrick
   Kulhanek, Denise K.
   Holbourn, Ann
   Rosenthal, Yair
AS 1:1;2:1;3:2;4:1;5:3;6:4;7:4;8:5;
FF 1:PDG-REM-GEOOCEAN-ASTRE;2:PDG-REM-GEOOCEAN-ALMA;3:;4:PDG-REM-GEOOCEAN-ANTIPOD;5:;6:;7:;8:;
C1 Univ Brest, CNRS, Ifremer, Geo-Ocean, F-29280 Plouzané, France
   Géosciences- Environnement Toulouse, CNRS-Université Paul Sabatier, F-31400 Toulouse, France
   The Australian National University, Research School of Earth Sciences, Canberra, ACT 2601, Australia
   Institute of Geosciences, Christian-Albrechts-University of Kiel, 24118 Kiel, Germany
   Department of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Rutgers, State University of New Jersey, New Brunswick, NJ 08901, USA
C2 IFREMER, FRANCE
   CNRS, FRANCE
   UNIV AUSTRALIAN NATL, AUSTRALIA
   UNIV KIEL, GERMANY
   UNIV NEW JERSEY, USA
SI BREST
SE PDG-REM-GEOOCEAN-ASTRE
   PDG-REM-GEOOCEAN-ALMA
   PDG-REM-GEOOCEAN-ANTIPOD
UM GEO-OCEAN
IN WOS Ifremer UMR
   DOAJ
   copubli-france
   copubli-europe
   copubli-int-hors-europe
IF 13.6
TC 4
UR https://archimer.ifremer.fr/doc/00831/94255/101652.pdf
   https://archimer.ifremer.fr/doc/00831/94255/101653.pdf
   https://archimer.ifremer.fr/doc/00831/94255/101654.zip
LA English
DT Article
AB Arc-continent collision in Southeast Asia during the Neogene may have driven global cooling through chemical weathering of freshly exposed ophiolites resulting in atmospheric CO2 removal. Yet, little is known about the cause-and-effect relationships between erosion and the long-term evolution of tectonics and climate in this region. Here, we present an 8-million-year record of seawater chemistry and sediment provenance from the eastern Indian Ocean, near the outflow of Indonesian Throughflow waters. Using geochemical analyses of foraminiferal shells and grain size–specific detrital fractions, we show that erosion and chemical weathering of ophiolitic rocks markedly increased after 4 million years (Ma), coincident with widespread island emergence and gradual strengthening of Pacific zonal sea-surface temperature gradients. Together with supportive evidence for enhanced mafic weathering at that time from re-analysis of the seawater 87Sr/86Sr curve, this finding suggests that island uplift and hydroclimate change in the western Pacific contributed to maintaining high atmospheric CO2 consumption throughout the late Neogene. 
PY 2023
PD MAR
SO Science Advances
SN 2375-2548
PU American Association for the Advancement of Science
VL 9
IS 13
UT 000969642900012
DI 10.1126/sciadv.adf3141
ID 94255
ER

EF