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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 35 (1965)No. 2. (June), Pages 420-427

"Grain-Diminution" of Algal Colonies to Micrite

Karl H. Wolf (2)

ABSTRACT

Studies of Recent and Paleozoic calcareous algal deposits indicate that early diagenetic alteration can result in a change of calcareous algal filaments and cells to cryptocrystalline calcium carbonate.

The apparent absence of reef framework builders of some of the enigmatic micritic to fine-grained bioherms or knoll-reefs of North America, Europe, and Australia, may be explained by "grain diminution" of calcareous algal colonies.


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