biostrome


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biostrome

[′bī·ə‚strōm]
(geology)
A bedded structure or layer (bioclastic stratum) composed of calcite and dolomitized calcarenitic fossil fragments distributed over the sea bottom as fine lentils, independent of or in association with bioherms or other areas of organic growth.
(invertebrate zoology)
A flat-bedded, fossil, reeflike structure.
References in periodicals archive ?
Microconchid patch reefs, bioherms, and biostromes are known from the Lower Carboniferous (Tournaisian) of Cumberland and Roxburghshire (Leeder 1973).
These include Mississippian bioherms and biostromes exposed at the surface in central and north Alabama and Jurassic bioherms buried more than a mile beneath the surface in southwest Alabama.
Basal Smackover strata in Alabama contain bioherms and biostromes that formed in shallow water, especially in the southeastern Manila and northern Conecuh embayments (Kopaska-Merkel, 1994, 1998a).
Uncommon carbonate buildups are small isolated reefs, mounds, and biostromes (Kopaska-Merkel and Haywick, 2001).
Other Bangor buildups in Alabama are coral biostromes, microbe-coral reefs, and bryozoan-microbial mounds.
Some researchers have stated that these are not true barrier reefs but rather composed of several vertically stacked flat biostromes (Bjerkeus & Eriksson 2001; Floden et al.
Composition, structure and environmental setting of Silurian bioherms and biostromes in northern Europe.