Hydrothermal and volcanic activity found on the southern Mid-Atlantic Ridge.

Devey, Colin W. , Lackschewitz, Klas and Baker, E. (2005) Hydrothermal and volcanic activity found on the southern Mid-Atlantic Ridge. Eos, Transactions American Geophysical Union, 86 (22). pp. 209-212.

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Abstract

The process of plate accretion at mid-ocean ridges, once thought to occur in a relatively simple, magmatic system, has been shown in recent years to possess unexpected layers of complexity [e.g., Cannat, 1996; Escartín and Lin, 1998; Jokat et al., 2003; Michael et al., 2003]. Particularly at lower spreading rates, the magma supply to some or all of the ridge decreases, with the plate spreading motion being taken up instead on faults.

The balance between these magmatic and tectonic processes governs such features as the topography, seismic activity location of hydrothermal vents, and degree of chemical exchange between crust and ocean at spreading axes. It therefore has important implications for the hydrothermal marine biosphere and global chemical budgets.

Document Type: Article
Research affiliation: OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS Magmatic and Hydrothermal Systems
Refereed: No
Open Access Journal?: No
ISSN: 0096-3941
Expeditions/Models/Experiments:
Date Deposited: 03 Dec 2008 16:51
Last Modified: 17 Feb 2017 09:34
URI: http://oceanrep.geomar.de/id/eprint/5801

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