@article{fdi:010053623, title = {{U}nderstanding sedimentation in the {S}ong {H}ong-{Y}inggehai {B}asin, {S}outh {C}hina {S}ea}, author = {{Y}an, {Y}. and {C}arter, {A}. and {P}alk, {C}. and {B}richau, {S}t{\'e}phanie and {H}u, {X}. {Q}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {C}enozoic {S}ong {H}ong-{Y}inggehai {B}asin in the {S}outh {C}hina {S}ea contains a large volume of sediment that has been used in previous studies, together with regional geomorphology, to argue for the existence of a large palaeodrainage system that connected eastern {T}ibet with the {S}outh {C}hina {S}ea. {T}o test this and to understand the significance of sediment volumes deposited in the {S}ong {H}ong-{Y}inggehai {B}asin, this study compared erosion histories of source regions with sediment volumes deposited during the two main stages in basin evolution spanning active rifting and subsidence (30-15.5 {M}a) and postrift sedimentation (15.5 {M}a to present). {T}he study of basin provenance by detrital zircon {U}-{P}b dating revealed {H}ainan was an important and continuous source of sediment, and a bedrock thermochronological study quantified its overall contribution to basin sedimentation. {C}omparison between the accumulated mass of basin sediment and volumes of eroded bedrock, calculated from apatite thermochronometry across the modern {R}ed {R}iver drainage in northern {V}ietnam as well as {H}ainan {I}sland, accounted for the bulk of sediment deposited since 30 {M}a. {C}onsequently, if an expanded paleodrainage ever existed it must have predated the {O}ligocene.}, keywords = {{H}ainan ; {R}ed {R}iver ; {S}outh {C}hina ; low-temperature thermochronology ; zircon {U}-{P}b}, booktitle = {}, journal = {{G}eochemistry {G}eophysics {G}eosystems}, volume = {12}, numero = {}, pages = {{Q}06014}, ISSN = {1525-2027}, year = {2011}, DOI = {10.1029/2011gc003533}, URL = {https://www.documentation.ird.fr/hor/fdi:010053623}, }