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Geochemistry of reduced gas related to serpentinization of the Zambales ophiolite, Philippines

Applied Geochemistry

By:
, , , , , and
https://doi.org/10.1016/0883-2927(90)90060-I

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Abstract

Methane-hydrogen gas seeps with mantle-like C and noble gas isotopic characteristics issue from partially serpentinized ultramafic rocks in the Zambales ophiolite, Philippines. New measurements of noble gas and 14C isotope abundances, rock/mixed-volatile equilibrium calculations, and previous chemical and isotopic data suggest that these reduced gases are products of periodotite hydration. The gas seeps are produced in rock-dominated zones of serpentinization, and similar gases may be ubiquitous in ultramafic terranes undergoing serpentinization.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Geochemistry of reduced gas related to serpentinization of the Zambales ophiolite, Philippines
Series title:
Applied Geochemistry
DOI:
10.1016/0883-2927(90)90060-I
Volume:
5
Issue:
5-6
Year Published:
1990
Language:
English
Publisher:
Elsevier
Description:
6 p.
First page:
625
Last page:
630