@article{PAR00006570, title = {{M}agnetostratigraphy and paleoenvironments in shallow-water carbonates : the {O}ligocene-{M}iocene sediments of the northern margin of the {L}iguro-{P}rovencal basin ({W}est {M}arseille, southeastern {F}rance)}, author = {{D}emory, {F}. and {C}onesa, {G}. and {O}udet, {J}. and {M}ansouri, {H}. and {M}unch, {P}. and {B}orgomano, {J}. and {T}houveny, {N}icolas and {L}amarche, {J}. and {G}isquet, {F}. and {M}arie, {L}.}, editor = {}, language = {{ENG}}, abstract = {{T}he present study proposes to estimate the influence of climate, eustatism and local tectonics on the sedimentation of a basin margin at the syn-rift to post-rift transition. {F}or that, paleomagnetic measurements were performed on a marine marly-calcareous sedimentary succession ranging from {U}pper {O}ligocene to {L}ower {M}iocene and located on the northern margin of the {L}iguro-{P}rovencal basin. {T}he magnetostratigraphic record is correlated to the reference geomagnetic polarity scale [{ATNTSO}4, {L}ourens et al. 2004] with the help of biostratigraphy based on calcareous nannofossils and planctonic foraminifers [{O}udet et al., 2010]. {T}he resulting age model shows that the 100 m-thick sedimentary succession covers a time span of 5 my. from the {L}ate {C}hattian to the {E}arly {B}urdigalian. {D}espite several exposure surfaces and a change in the sedimentation rate, no significant hiatus of sedimentation is documented. {I}n addition, we also estimate the paleoenvironmental evolution through the sedimentary succession. {C}omparing the dated paleoenvironmental reconstruction with global 8180 and sea level curves [{M}iller et al., 2005], we show that the {C}arry-le-{R}ouet succession is an excellent paleoclimatic archive. {I}ndeed, coral reefs developed at the glacial-interglacial stage transition marking the end of the {O}ligocene. {I}n addition, the most diversified coral reefs occurred during the warmest period of the {A}quitanian. {D}uring rifting, bathymetric variations recorded in the studied succession are related to local synsedimentary tectonics whereas, during oceanic crust accretion, global sea level changes influence the sedimentation. {T}his result allows to characterise and to accurately date the break-up unconformity at 20.35 {M}a.}, keywords = {{P}aleomagnetism ; {M}agnetostratigraphy ; {N}eogene ; {L}iguro-provencal basin ; {P}aleoenvironments ; {C}arbonates ; {P}aleobathymetry ; {P}aleoclimatic changes ; {G}eodynamics}, booktitle = {}, journal = {{B}ulletin de la {S}ociete {G}eologique de {F}rance}, volume = {182}, numero = {1}, pages = {37--55}, ISSN = {0037-9409}, year = {2011}, URL = {https://www.documentation.ird.fr/hor/{PAR}00006570}, }