The rear arc: the missing half of the subduction factory
Proposal #697-Full3 >> go to the full version (PDF)
Scientific Prospectus >> Click HERE
Pre-cruise Training Report >> Click HERE
Expedition Report >>> Click HERE （16 Jun. 2014 uploaded）
30 Mar. to 30 May. 2014
Keelung (Taiwan) to Yokohama (Japan)
Based on IODP Proposal 697-Full3, this expedition aims to understand crustal genesis and mantle evolution of the Izu-Bonin-Mariana (IBM) rear arc system by examining sediments and crust in the Philippine Sea. The primary objective is to obtain a temporal history of across-arc variation in magma composition during five main intervals of arc evolution.
Three main hypotheses will be tested: (1) geochemically asymmetric crust in the rear arch is either a fundamental trait or a secondary trait that develops during backarc spreading; (2) nonsteady state events, such as rifting, play a major role in the evolution of arc crust; and (3) the origin of the Izu rear arc seamount chains is related to mantle convection patterns.
Yoshihiko Tamura （JAMSTEC/IFREE） & Cathy Busby
Japan-based Scientists applied through J-DESC
|Name||Affiliation||Title||Role on board|
|Yoshihiko Tamura||JAMSTEC/IFREE||Team Leader||Co-chief Scientist|
|Tomoki Sato||JAMSTEC/IFREE||Technical support staff||Physical Properties Specialist|
|Takashi Miyazaki||JAMSTEC/IFREE||Senior Research Scientist||Inorganic Geochemist|
|Jihui Jia||Kyoto University||Ph.D Student||Physical Properties Specialist|
|Myriam Kars||Kochi University||Post-doctoral Scientist||Paleomagnetist|
|Alexander Nichols||JAMSTEC/IFREE||Scientist||Core Description-Igneous Rocks/Volcaniclastics|
Support information to be on board
If selected to the Science Party of the expedition,various supports will be provided before and after the expedion for many years.
- Pre-cruise Training:Training and meeting before the expedition
- IODP Expedition：Travel support for the expedition
- After Cruise Work： Core analysis during the moratorium
- Research funding after the expedition：Research funding after the expedition up to 3 years.
Japan-based scientists may apply to J-DESC.
Other important information
Travel support >>Click HERE
Support for shipboard scientists from J-DESC
J-DESC/JAMSTEC supports Japan-based shipboard scientists. Applications are required to be submitted to J-DESC support to get any support. Please contact us to get the information.