Brucite chimney formation and carbonate alteration at the Shinkai Seep Field, a serpentinite-hosted vent system in the Southern Mariana Forearc

@article{Okumura2016BruciteCF,
  title={Brucite chimney formation and carbonate alteration at the Shinkai Seep Field, a serpentinite-hosted vent system in the Southern Mariana Forearc},
  author={Tomoyo Okumura and Y. Ohara and R. Stern and T. Yamanaka and Yuji Onishi and H. Watanabe and Chong Chen and S. Bloomer and I. Pujana and S. Sakai and T. Ishii and K. Takai},
  journal={Geochemistry Geophysics Geosystems},
  year={2016},
  volume={17},
  pages={3775-3796}
}
Brucite-carbonate chimneys were discovered from the deepest known (∼5700 m depth) serpentinite-hosted ecosystem – the Shinkai Seep Field (SSF) in the southern Mariana forearc. Textural observations and geochemical analysis reveal three types (I-III) of chimneys formed by the precipitation and dissolution of constitutive minerals. Type I chimneys are bright white to light yellow, have a spiky crystalline and wrinkled surface with microbial mat and contain more brucite; these formed as a result… Expand
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