Expedition 390/393 methods
Rosalind M. Coggon, D.A.H. Teagle, Jason B. Sylvan, J. Reece, Emily R. Estes, Trevor Williams, Gail Christeson, Masataka Aizawa, E. Albers, Chiara Amadori, Thomas M. Belgrano, C. Borrelli, J.D. Bridges, Elliot J. Carter, Timothy D’Angelo, Jaume Dinarès‐Turell, N. Doi, Justin Estep, A. Evans, William Gilhooly, L.J.C. Grant, G.M. Guérin, Michelle Harris, V.M. Hojnacki, Gilbert Hong, Xiaobo Jin, M. Jonnalagadda, M.R. Kaplan, Pamela D. Kempton, Daisuke Kuwano, Jessica Labonté, Adriane R. Lam, Marcin Latas, Christopher M. Lowery, Wanyi Lu, Andrew McIntyre, P. Moal-Darrigade, Stephen F. Pekar, Claudio Robustelli Test, C.M. Routledge, Jeffrey G. Ryan, Danielle P. Santiago Ramos, Alina Shchepetkina, Angela L. Slagle, M. Takada, Leonardo Tamborrino, Alexandra Villa, Yi Wang, S.Y. Wee, S.J. Widlansky, Kiho Yang, Walter Kurz, Muthusamy Prakasam, Liyan Tian, Tiantian Yu, Guoliang Zhang
Abstract
Drilling and logging operationsTo successfully drill both soft and indurated sediments as well as crustal material of varying age and alteration, all four standard coring tools available on JOIDES Resolution were deployed during the SAT expeditions: the advanced piston corer (APC), half-length APC (HLAPC), extended core barrel (XCB), and rotary core barrel (RCB) systems.Operations took place in international waters in water depths of ~3000-5000 m.The APC and HLAPC systems cut soft-sediment cores with minimal coring disturbance relative to other IODP coring systems.After the APC/HLAPC core barrel is lowered through the drill pipe and lands above the bit, the drill pipe