Marine Science Faculty Publications

Document Type

Article

Publication Date

4-2000

Keywords

ocean islands, magma chambers, hydrothermal systems, degassing, Hawaii

Digital Object Identifier (DOI)

https://doi.org/10.1029/1999GC000023

Abstract

Extrinsic parameters that affect the evolution of magmatic systems within and beneath ocean island volcanoes include physical variables such as confining pressure, which controls magma degassing, and temperature of the underlying lithosphere and crust, which controls magma crystallization during ascent. Other extrinsic parameters are environmental variables coupled to the hydrosphere and atmosphere such as hydrothermal circulation systems and even rainfall. All these extrinsic factors interact with intrinsic parameters, such as magma supply rates or composition, to modulate the evolution of magma chambers and the petrologic processes that take place within them.

Was this content written or created while at USF?

Yes

Citation / Publisher Attribution

Geochemistry, Geophysics, Geosystems, v. 1, issue 4, art. 1010

Copyright 2000 by the American Geophysical Union.

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