ENVIRONMENTAL AND BIOLOGICAL CONTROLS ON BIVALVE SHELL MINERALOGY

@article{Kennedy1969ENVIRONMENTALAB,
  title={ENVIRONMENTAL AND BIOLOGICAL CONTROLS ON BIVALVE SHELL MINERALOGY},
  author={William James Kennedy and John David Taylor and Anthony Hall},
  journal={Biological Reviews},
  year={1969},
  volume={44}
}
Bivalves lay down two forms of calcium carbonate in their shells, aragonite and calcite. Shells may be wholly aragonitic, or may contain both aragonite and calcite, in separate monomineralic layers. Shells are built up of several layers of distinct aggregations of calcium carbonate crystals. These aggregations are referred to as shell structures and their general features are described. Aragonite occurs as prismatic, nacreous, crossed‐lamellar, complex crossed‐lamellar and homogeneous… 
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