Secular change in chert distribution; a reflection of evolving biological participation in the silica cycle

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Other| December 01, 1989

Robert G. Maliva ;

Robert G. Maliva

Harvard Univ., Dep. Earth and Planet. Sci., Cambridge, MA, United States

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Andrew H. Knoll ;

Andrew H. Knoll

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Raymond Siever

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PALAIOS (1989) 4 (6): 519–532.

https://doi.org/10.2307/3514743

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