Abstract
Extensively altered brines, with a composition different from that of any previously reported natural water, have been recovered by deep coring of sediments in the Izu-Bonin fore-arc sedimentary basin. Samples from successive depths document the chemical evolution of these unusual pore waters, from sea water to highly enriched CaCl2 brines. The origin of these pore waters seems to be related to the special environment of a fore-arc sedimentary basin, where accumulation rates of volcanogenic sediment are extremely high and the sediments are susceptible to alteration.
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the Leg 126 Shipboard Scientific Party Co-chief scientists: Kantaro Fujioka (Univ. of Tokyo), Brian Taylor (Hawaii Institute of Geophysics). ODP Staff Scientist: Thomas Janecek (ODP, Texas A & M Univ.). Also Jonathan Aitchison (Univ. of New England), Stanley Cisowski (Univ. of California), Albina Colella (Univ. Della Calabria), Patricia A. Cooper (Hawaii Institute of Geophysics), Kathleen Dadey (Univ. of Rhode Island), John Firth (Florida State Univ.), James Gill (Univ. of California), Yvonne Herman (Washington State Univ.), Richard Hiscott (Memorial Univ.), MaLynn Isminger-Kelso (Florida State Univ.), Kunio Kaiho (Tohoku Univ.), Adam Klaus (Hawaii Institute of Geophysics), Masato Koyama (Shizuoka Univ.), Henriette Lapierre (Univ. d'Orleans), Michael Lovell (Leicester Univ.), Kathleen Marsaglia (Univ. of Texas), Akira Nishimura (Geological Survey of Japan), Philippe Pezard (Lamont-Doherty Geological Observatory), Kelvin Rodolfo (Univ. of Illinois), Rex Taylor (Univ. of Southampton), Kazue Tazaki (Shimane Univ.) & Peter Torssander (Univ. of Stockholm).
- P. K. Egeberg
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Egeberg, P. Unusual composition of pore waters found in the Izu–Bonin fore-arc sedimentary basin. Nature 344, 215–218 (1990). https://doi.org/10.1038/344215a0
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DOI: https://doi.org/10.1038/344215a0
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