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bioturbation

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
bi·o·tur·ba·tion  (b-tr-bshn)
n.
The stirring or mixing of sediment or soil by organisms, especially by burrowing or boring.
[German : bio-, bio- + Latin turbti, turbtin-, disturbance (from turbtus, past participle of turbre, to stir up; see disturb).]
bio·turbed (-tûrbd) adj.
bioturbation  (b-tr-bshn)
The stirring or mixing of sediment or soil by organisms, especially by burrowing, boring, or ingestion.


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The packstones and grainstones are generally laterally discontinuous, apparently because of bioturbation between storm events (Westrop and Ludvigsen, 1983).
Geology of the Parliament Buildings 5: Geology of the Manitoba ... by Young, Jeff / Geoscience Canada
Soil sampling was not applied in this area because of the cover of geologically very recent lake sediments and near surface saline water which are believed to have precluded the process of bioturbation whereby indicator mineral grains have been continually brought to the surface.
Botswana Diamondfields - exploration programs continue in Botswana by Business Wire
Soil sampling has not been employed in this area because the cover of geologically very recent lake sediments and near surface saline water which are believed to preclude the process of bioturbation.
BOTSWANA DIAMONDFIELDS -- DRILLING PROGRAM COMMENCED ON MAKGADIKGADI ... by Business Wire
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