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Published August 21, 1970 | public
Journal Article

Low-Velocity Zone of the Earth's Mantle: Incipient Melting Caused by Water

Abstract

Experimental phase diagrams for the systems gabbro-water and peridotite-water indicate that, if there is any water in the upper mantle, then traces of hydrous interstitial silicate magma will be produced at depths corresponding to the beginning of the low-velocity zone. This explanation for the zone is more satisfactory than others proposed.

Additional Information

© 1970 American Association for the Advancement of Science. Received 7 May 1970. Supported by NSF grants GA-1289 and GA-15718.

Additional details

Created:
August 23, 2023
Modified:
October 17, 2023