FN Archimer Export Format PT J TI What caused G. truncatulinoides to calcify in shallower water during the early Holocene in the western Atlantic/Gulf of Mexico? BT AF CLEROUX, Caroline LYNCH-STIEGLITZ, Jean AS 1:1;2:; FF 1:;2:; C1 School of Earth and Environmental Sciences, Georgia Institute of Technology, Atlanta, GA, USA C2 GEORGIA INST TECHNOL, USA TC 2 UR https://archimer.ifremer.fr/doc/00496/60752/65139.pdf LA English DT Article CR IMAGES V LEG 1-MD114 IMAGES V LEG 4-MD114 BO Marion Dufresne AB In a recent paper we reconstructed the calcification depth of G. truncatulinoides since the last deglaciation in the Florida Straits. We highlighted a significantly different calcification depth between 8-10 ka and the late Holocene. This migration was found in three different cores over the western North Atlantic American continental margin. This paper presents new Mg/Ca ratio data on G. truncatulinoides in the Florida Strait and new stable isotopic measurements on G. crassaformis in the Gulf of Mexico. Preliminary interpretation to understand the cause of G. truncatulinoides migration in the water column at the beginning of the Holocene is given. PY 2010 SO IOP Conference Series: Earth and Environmental Science SN 1755-1307 PU Iop Publishing Ltd VL 9 IS 1 UT 000327134700020 DI 10.1088/1755-1315/9/1/012020 ID 60752 ER EF