@article{fdi:010062539, title = {{T}he {H}olocene drowned reef of {L}es {S}aintes plateau as witness of a long-term tectonic subsidence along the {L}esser {A}ntilles volcanic arc in {G}uadeloupe}, author = {{L}eclerc, {F}. and {F}euillet, {N}. and {C}abioch, {G}uy and {D}eplus, {C}. and {L}ebrun, {J}. {F}. and {B}azin, {S}. and {B}eauducel, {F}. and {B}oudon, {G}. and {L}e{F}riant, {A}. and {D}e {M}in, {L}. and {M}elezan, {D}. and {B}athysaintes {C}ruise {S}ci {P}arty}, editor = {}, language = {{ENG}}, abstract = {{R}esulting from the interplay between tectonics and eustatism, reef terraces are powerful markers of vertical movements at a scale of 1000 to 100,000 years. {I}n the {L}esser {A}ntilles, they grow around every island of the archipelago and record both local and subduction-related tectonics. {T}he recent acquisition and interpretation of very high-resolution bathymetry of {L}es {S}aintes submarine plateau, {F}rench {W}est {I}ndies, together with seismic reflection profiles, are a unique opportunity to study one of these submarine structures, at metric to kilometric scales, addressing the questions of its nature, age and growth environment but also of the control of active tectonics on its formation. {T}he 20 km wide {L}es {S}aintes reef plateau lies at about 45 mbsl. {I}t is crosscut by {NW}-{SE} striking, north-dipping normal faults that belong to {L}es {S}aintes fault system and graben, which produced a {M}w 63 earthquake in 2004. {T}he plateau is composed of four 20 m thick reef units, piled up in "layer cake" morphology down to 110 mbsl. {T}he upper unit has a fresh morphology and presents typical reef features, like barrier and lagoon, spurs and grooves, pinnacles, etc. {F}rom its morphology we propose that it grew during the {H}olocene last transgression. {B}elow, the three other units likely formed during {P}leistocene sea level highstands and were eroded during the low stands, as evidenced in seismic reflection profiles. {T}his scenario would imply that {L}es {S}aintes plateau formed in a context of subsidence with a rate we evaluate to be of the order of tenths of mm/yr. {P}robably linked to local tectonics, we believe that this deformation is also related to plate-scale subduction processes, similarly to deformations occurring on the other islands of the {G}uadeloupe archipelago.}, keywords = {drowned reefs ; reef geomorphology ; terraces ; {L}esser {A}ntilles ; {C}aribbean ; tectonic subsidence ; {GUADELOUPE}}, booktitle = {}, journal = {{M}arine {G}eology}, volume = {355}, numero = {}, pages = {115--135}, ISSN = {0025-3227}, year = {2014}, DOI = {10.1016/j.margeo.2014.05.017}, URL = {https://www.documentation.ird.fr/hor/fdi:010062539}, }