Intrusion of basaltic sills into highly porous sediments, and resulting hydrothermal activity

Gerhardt Einsele, Joris M. Gieskes, Joseph Curray, David M. Moore, Eduardo Aguayo, Marie Pierre Aubry, Daniel Fornari, José Guerrero, Miriam Kastner, Kerry Kelts, Mitchell Lyle, Yasumochi Matoba, Adolfo Molina-Cruz, Jeffrey Niemitz, Jaime Rueda, Andrew Saunders, Hans Schrader, Bernd Simoneit, Victor Vacquier

Research output: Contribution to journalArticlepeer-review

187 Scopus citations

Abstract

Sill intrusions into highly porous sediments in the Guaymas Basin, Gulf of California, lead to low-grade metamorphism, thermal alteration and migration of organic compounds, marked changes in interstitial water chemistry, and large-scale expulsion of heated pore fluids. The latter process creates space for the intruding magma and initiates a hydrothermal system, which can explain the observed hydrothermal deposits around fault scarps on the basin floor.

Original languageEnglish
Pages (from-to)441-445
Number of pages5
JournalNature
Volume283
Issue number5746
DOIs
StatePublished - 1980
Externally publishedYes

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