Oxygen isotope compositions of mixed-layer serpentine-chlorite and illite-smectite in the Tuscaloosa Formation (U.S. Gulf Coast) : Implications for pore fluids and mineralogic reactions

Oxygen isotopic compositions were determined for coexisting mixed-layer serpentine-chlorite (Sp-Ch) and illite-smectite (I-S) from 5 Tuscaloosa Formation sandstone cores sampled between 1937 and 5470 m burial depth. High gradient magnetic separation (HGMS) was used to concentrate Sp-Ch and I-S from...

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Bibliographic Details
Published in:Clays and clay minerals 1998-08, Vol.46 (4), p.357-368
Main Authors: RYAN, P. C, CONRAD, M. E, BROWN, K, CHAMBERLAIN, C. P, REYNOLDS, R. C
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Isotope geochemistry
Isotope geochemistry. Geochronology
Mineralogy
Silicates
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Summary:Oxygen isotopic compositions were determined for coexisting mixed-layer serpentine-chlorite (Sp-Ch) and illite-smectite (I-S) from 5 Tuscaloosa Formation sandstone cores sampled between 1937 and 5470 m burial depth. High gradient magnetic separation (HGMS) was used to concentrate Sp-Ch and I-S from the
ISSN:0009-8604
1552-8367
DOI:10.1346/CCMN.1998.0460401