Links between fluid circulation, temperature, and metamorphism in subducting slabs
Geophysical Research Letters
By: G.A. Spinelli and K. Wang
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Abstract
The location and timing of metamorphic reactions in subducting lithosph??re are influenced by thermal effects of fluid circulation in the ocean crust aquifer. Fluid circulation in subducting crust extracts heat from the Nankai subduction zone, causing the crust to pass through cooler metamorphic faci??s than if no fluid circulation occurs. This fluid circulation shifts the basalt-to-eclogite transition and the associated slab dehydration 14 km deeper (35 km farther landward) than would be predicted with no fluid flow. For most subduction zones, hydrothermal cooling of the subducting slab will delay eclogitization relative to estimates made without considering fluid circulation. Copyright 2009 by the American Geophysical Union.
Suggested Citation
Spinelli, G., Wang, K., 2009, Links between fluid circulation, temperature, and metamorphism in subducting slabs: Geophysical Research Letters, v. 36, no. 13, https://doi.org/10.1029/2009GL038706.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Links between fluid circulation, temperature, and metamorphism in subducting slabs |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/2009GL038706 |
| Volume | 36 |
| Issue | 13 |
| Publication Date | July 02, 2009 |
| Year Published | 2009 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysical Research Letters |