Cristobalitic Stage in the Diagenesis of Diatomaceous Shale
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- K. J. Murata
- U.S. Geological Survey, Menlo Park, California 94025
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- J. K. Nakata
- U.S. Geological Survey, Menlo Park, California 94025
Abstract
<jats:p> With increasing depth of burial, diagenetic cristobalite in the Monterey Shale of California shows a decrease in the <jats:italic>d</jats:italic> (101) spacing from 4.115 to 4.040 angstroms, indicative of a progressive change in its internal structure. The spacing is 0.004 to 0.015 angstrom smaller in porcellanite than in associated chert, probably because the cristobalite of porcellanite formed later than that of chert. </jats:p>
Journal
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- Science
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Science 184 (4136), 567-568, 1974-05-03
American Association for the Advancement of Science (AAAS)
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Keywords
Details 詳細情報について
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- CRID
- 1361137046064651648
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- NII Article ID
- 30020507337
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- ISSN
- 10959203
- 00368075
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- Data Source
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- Crossref
- CiNii Articles