Chemistry of hot springs on the Mid-Atlantic Ridge

A. C. Campbell, M. R. Palmer, G. P. Klinkhammer, T. S. Bowers, J. M. Edmond, J. R. Lawrence, J. F. Casey, G. Thompson, S. Humphris, P. Rona, J. A. Karson

Research output: Contribution to journalArticlepeer-review

373 Scopus citations


The first hydrothermal fluid samples collected along the slow-spreading Mid-Atlantic Ridge (MAR) are remarkably similar in composition and temperature to fluids collected along the shallower, faster-spreading East Pacific Rise (EPR). The MAR fluids, like those from the EPR, appear to be in equilibrium with a greenschist-facies mineral assemblage. In contrast to the EPR, the more fractured nature of the MAR apparently allows fluids at one of the MAR sites to interact with weathered basalt.

Original languageEnglish (US)
Pages (from-to)514-519
Number of pages6
Issue number6190
StatePublished - 1988
Externally publishedYes

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