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Constraints on the formation of sedimentary dolomite

Publication ,  Journal Article
Baker, PA; Kastner, M
Published in: Science
January 1, 1981

The experimental replacement of calcite and aragonite by dolomite under a variety of conditions indicates that dolomitization can take place in marine and lacustrine environments under two conditions: (i) low dissolved sulfate concentrations and (ii) insubstantial contemporaneous silica diagenesis. Common sites for dolomite formation are areas where the dissolved sulfate concentration is reduced by microbial sulfate reduction, through the mixing of seawater with large amounts of fresh water, or where low-sulfate alkaline lacustrine environments prevail. Even under these conditions, dolomite formation may be inhibited by the concurrent transformation of opal-A (amorphous silica) to opal-CT (disordered cristobalite and tridymite), whereas the subsequent transformation of opal-CT to quartz favors the formation of dolomite. Copyright © 1981 AAAS.

Duke Scholars

Published In

Science

DOI

ISSN

0036-8075

Publication Date

January 1, 1981

Volume

213

Issue

4504

Start / End Page

214 / 216

Related Subject Headings

  • General Science & Technology
 

Citation

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MLA
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Baker, P. A., & Kastner, M. (1981). Constraints on the formation of sedimentary dolomite. Science, 213(4504), 214–216. https://doi.org/10.1126/science.213.4504.214
Baker, P. A., and M. Kastner. “Constraints on the formation of sedimentary dolomite.” Science 213, no. 4504 (January 1, 1981): 214–16. https://doi.org/10.1126/science.213.4504.214.
Baker PA, Kastner M. Constraints on the formation of sedimentary dolomite. Science. 1981 Jan 1;213(4504):214–6.
Baker, P. A., and M. Kastner. “Constraints on the formation of sedimentary dolomite.” Science, vol. 213, no. 4504, Jan. 1981, pp. 214–16. Scopus, doi:10.1126/science.213.4504.214.
Baker PA, Kastner M. Constraints on the formation of sedimentary dolomite. Science. 1981 Jan 1;213(4504):214–216.
Journal cover image

Published In

Science

DOI

ISSN

0036-8075

Publication Date

January 1, 1981

Volume

213

Issue

4504

Start / End Page

214 / 216

Related Subject Headings

  • General Science & Technology