The contribution of the Precambrian continental lithosphere to global H2 production

  title={The contribution of the Precambrian continental lithosphere to global H2 production},
  author={Barbara Sherwood Lollar and Tullis C. Onstott and Georges Lacrampe-Couloume and Chris J. Ballentine},
Microbial ecosystems can be sustained by hydrogen gas (H2)-producing water–rock interactions in the Earth’s subsurface and at deep ocean vents. Current estimates of global H2 production from the marine lithosphere by water–rock reactions (hydration) are in the range of 1011 moles per year. Recent explorations of saline fracture waters in the Precambrian continental subsurface have identified environments as rich in H2 as hydrothermal vents and seafloor-spreading centres and have suggested a… CONTINUE READING
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