Effects of Ca-enrichment on authigenic carbonate formation at cold vent sites off Costa Rica: a numerical model approach.

Karaca, Deniz, Hensen, Christian and Wallmann, Klaus (2008) Effects of Ca-enrichment on authigenic carbonate formation at cold vent sites off Costa Rica: a numerical model approach. Open Access Mineralogical Magazine, 72 (1). pp. 325-327. DOI 10.1180/minmag.2008.072.1.325.

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Abstract

The Costa Rican forearc is characterized by active fluid venting related to mud diapirism and volcanism. The geochemical compositions of fluids obtained from dewatering sites indicate that mineral precipitation or dehydration is the major driver of fluid mobilization and upward migration. The peculiar situation at the latter sites is that Ca concentrations in the upward migrating fluids are well above seawater levels. In turn, these Ca-enriched fluids could offer a potential reason for widespread carbonate caps on top of the mounds. Here, a reactive-transport numerical model is applied to . . .

Document Type: Article
Keywords: Cold vents, carbonate, Costa Rica
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1180/minmag.2008.072.1.325
ISSN: 0026-461X
Projects: Future Ocean
Expeditions/Models/Experiments:
Date Deposited: 13 Oct 2010 09:55
Last Modified: 20 Mar 2017 13:50
URI: http://oceanrep.geomar.de/id/eprint/9048

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