Geoelectrical measurements at the TAG Hydrothermal Mound

DOI Web Site Web Site 被引用文献13件

書誌事項

公開日
1996-11-15
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/96gl02077
公開者
American Geophysical Union (AGU)

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説明

<jats:p>Direct current electrical experiments with electrode arrays deployed by a submersible (ALVIN) were used to determine the resistivity structure of the seafloor below, and vertical potential gradients in sea water above, the hydrothermally active TAG mound. Apparent resistivities of the sulfides at shallow depths (∼10 m) below seafloor over the mound ranged between 0.18–0.21 ohm‐m, compared to nearby basalt pillow apparent resistivities of 2.1–2.4 ohm‐m. The potential differences between heights of about 18 to 27 m above the mound averaged +3.7 mV (voltage increasing with height), with variations between about −2.9 and +12.7 mV.</jats:p>

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