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Zinc-iron sulphide mineralization in tubes of hydrothermal vent worms

Magali Zbinden, Isabelle Martinez, Francois Guyot, Marie-Anne Cambon-Bonavita and Francoise Gaill
Zinc-iron sulphide mineralization in tubes of hydrothermal vent worms (in Biogenic iron minerals, Mihaly Posfai (prefacer))
European Journal of Mineralogy (August 2001) 13 (4): 653-658


Nanocrystalline zinc-iron sulphide minerals were found within tubes of Alvinella pompejana, collected at 9 degrees N on the East Pacific Rise, in a preliminary stydy carried out by conventional analytical transmission electron microscopy. Their structure is consistent with either the sphalerite or wurtzite polymorphs of ZnS. In contrast with sulphides usually observed in deep-sea hydrothermal environments, the unique sulphide observed within the exoskeleton of the pompeii worms has a (Zn (sub 0.88) Fe (sub 0.12) )S composition. The zinc-iron sulphide nanocrystals are grouped in submicrometer-sized clusters which form layers, concentrically to the proteinaceous tube axis. This is the first characterization of minerals precipitated within a biological matrix from hydrothermal vents organisms. These minerals represent a new example of zinc-iron biologically induced mineralization. Such layers of nanocrystalline zinc-iron sulphide minerals could be used as valuable markers of annelid tubes, in the growing field of studies focusing on fossilized paleo-hydrothermal vent systems.

ISSN: 0935-1221
EISSN: 1617-4011
Serial Title: European Journal of Mineralogy
Serial Volume: 13
Serial Issue: 4
Title: Zinc-iron sulphide mineralization in tubes of hydrothermal vent worms
Title: Biogenic iron minerals
Affiliation: Universite Pierre et Marie Curie, Laboratoire de Biologie Moleculaire et Cellulaire du Developpement, Paris, France
Affiliation: University of Veszprem, Hungary
Pages: 653-658
Published: 200108
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
Meeting name: Biogenic iron minerals symposium and workshop
Meeting location: Tihany, HUN, Hungary
Meeting date: 20000520May 20-23, 2000
References: 10
Accession Number: 2001-065619
Categories: Mineralogy of non-silicates
Document Type: Serial Conference document
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: Institut de Physique du Globe de Paris, FRA, FranceLMCP, FRA, FranceIfremer Centre de Brest, FRA, France
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2020, American Geosciences Institute.
Update Code: 200120
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