INDUCTION OF BARITE MINERALIZATION IN THE ASIATIC CLAM CORBICULA-FLUMINEA

被引：12
|
作者：
FRITZ, LW [1 ]
FERRENCE, G [1 ]
JACOBSEN, TR [1 ]
机构：
[1] RUTGERS STATE UNIV,COOK COLL,DEPT MARINE & COASTAL SCI,NEW BRUNSWICK,NJ 08903
来源：
LIMNOLOGY AND OCEANOGRAPHY | 1992年 / 37卷 / 02期
关键词：
D O I：
10.4319/lo.1992.37.2.0442
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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-mu-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.
引用
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页码：442 / 448
页数：7
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