Bioclasts are skeletal fragments of marine or land organisms that are found in sedimentary rocks laid down in a marine environment—especially limestone varieties, some of which take on distinct textures and coloration from their predominate bioclasts—that geologists, archaeologists and paleontologists use to date a rock strata to a particular ...
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http://en.wikipedia.org/wiki/Bioclast
(from the article `sedimentary rock`) ...with calcium carbonate. The concentric layers of aragonite (in modern oöids) is produced by blue-green algae that affix themselves to the grain ...
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http://www.britannica.com/eb/a-z/b/66
bioclast, bioclastic A single fossil fragment. Related break, broken-word units: frag-; rupt-.
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http://www.wordinfo.info/words/index/info/view_unit/490/
A grain in a limestone consisting of the skeletal material of orgainsims.
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https://www.encyclo.co.uk/local/20501
No exact match found.
