Induction of Barite Mineralization in the Asiatic Clam Corbicula fluminea

Barite crystals were formed on the inner shell surface in 1 week by specimens of Corbicula fluminea exposed to dissolved Ba concentrations of 140-559 μ g liter-1. Prevalences of barite crystals increased directly with initial Ba concentrations over the course of a 28-d experiment. Barite crystals we...

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Bibliographic Details
Published in:	Limnology and oceanography Vol. 37; no. 2; pp. 442 - 448
Main Authors:	Fritz, Lowell W., Ferrence, Gregory, Jacobsen, Timothy R.
Format:	Journal Article
Language:	English
Published:	Waco, TX American Society of Limnology and Oceanography 01-03-1992
Subjects:	Aragonite Barite Biochemistry. Physiology. Immunology Biological and medical sciences Biomineralogy Clams Corbicula fluminea Crystals Fresh water Freshwater Fundamental and applied biological sciences. Psychology Furnaces Invertebrates Marine Mollusca Music analysis Physiology. Development River water Specimens USA, New Jersey, Maurice R Corbicula fluminea Freshwater environment Bivalvia Induction Mineralization Shell(anatomy) Barite Invertebrata Mollusca
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Summary:	Barite crystals were formed on the inner shell surface in 1 week by specimens of Corbicula fluminea exposed to dissolved Ba concentrations of 140-559 μ g liter-1. Prevalences of barite crystals increased directly with initial Ba concentrations over the course of a 28-d experiment. Barite crystals were not observed on the shell exteriors of any clams analyzed. Results suggest that Ba was concentrated by C.fluminea and periodically purged from the soft tissues into the extrapallial fluids, where it heterogeneously coprecipitated with aragonite on the inner shell surface.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0024-3590 1939-5590
DOI:	10.4319/lo.1992.37.2.0442