Brucite-carbonate chimneys found at the Shinkai Seep Field, a serpentine-hosted vent system in the Southern Mariana Forearc

Tomoyo Okumura1, Yasuhiko Ohara2, Robert J Stern3, Toshiro Yamanaka4, Yuji Onishi4, Hiromi Watanabe1, Chong Chen1, Sherman H Bloomer5, Ignacio Pujana6, Saburo Sakai1, Teruaki Ishii7 and Ken Takai8, (1)JAMSTEC, Yokosuka, Japan, (2)Nagoya University, Nagoya, Japan, (3)University of Texas at Dallas, Geosciences, Richardson, TX, United States, (4)Okayama University, Okayama, Japan, (5)Oregon State University, Corvallis, OR, United States, (6)University of Texas at Dallas, Richardson, TX, United States, (7)Shizuoka University, Center for Integrated Research and Education of Natural Hazards, Shizuoka, Japan, (8)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan