Book ChapterCentral sitesFrüh-Green, GL; Orcutt, BN; Green, SL; Cotterill, C; Morgan, S; Akizawa, N; Bayrakci, G; Behrmann, J-H; Boschi, C; Brazleton, WJ; Cannat, M; Dunkel, KG; Escartin, J; Harris, M; Herrero-Bervera, E; Hesse, K; John, BE; Lang, SQ; Lilley, MD; Liu, H-Q; Mayhew, LE; McCaig, AM; Menez, B; Morono, Y; Quéméneur, M; Rouméjon, S; Sandaruwan_Ratnayake, A; Schrenk, MO; Schwarzenbach, EM; Twing, KI; Weis, D; Whattham, SA; Williams, M; Zhao, RDuring Expedition 357, cores were recovered from three sites in the central area of Atlantis Massif: Sites M0069, M0072, and M0076 (Figure F1; Table T1). Newly acquired multibeam data, combined with preexisting data sets, were evaluated prior to each site to guide the drill teams with regard to anticipated seabed conditions and slope.International Ocean Discovery Program2017-02-0410579239Proceedings of the International Ocean Discovery Program Expedition reports3571042377-3189978-1-954252-50-9https://doi.org/10.14379/iodp.proc.357.104.20171326927International Ocean Discovery ProgramIODPRRS James CookExpedition 357Site M0069Site M0072Site M0076seabed drillsRD2MeBoAtlantis MassifAtlantis Fracture ZoneMid-Atlantic RidgeLost City hydrothermal fieldserpentinizationdetachment faultingoceanic core complexhydrogenmethanedeep biospherecarbon cyclingcarbon sequestrationcontamination tracer testingNational Science Foundation