bioherm


Also found in: Dictionary, Encyclopedia.
Related to bioherm: biostrome

bioherm

(bī′ō-hûrm′)
n.
A massive, usually mound-shaped structure found in sedimentary rock strata, produced by the accretion of organic carbonate by a variety of marine invertebrates, such as corals and mollusks, and algae.
References in periodicals archive ?
Valve length growth rates (Table 3) show that horse mussel populations from sand with bioherm and gravel/scallop bed geological provinces grow faster during the first 4 years of life.
schmitti population analyzed here occupy the largest tubes at their disposal in the bioherm, and size in both sexes was positively correlated with tube opening, suggesting that crabs must change their housing with growth (Gherardi and Cassidy, 1994b).
Bioherm biotas commonly differ from surrounding flat-bottom communities.
varicosa bioherms thought to occur inside the OHAPC, and a portion of bioherms outside the OHAPC between the two satellite areas (Fig.
Field observations suggest that the fossiliferous horizon is dominated by in situ oyster bioherms.
The structure of the Porkuni Stage is also complicated by hiatuses, but for the purposes of this paper it is significant to note shallow shelf bioclastic limestones with stromatoporoid-tabulate bioherms and interreef beds of oolitic and kerogenous limestones.
The bioherms are constructed of bafflestones arid boundstones and tine internal sediment.
Coral reefs are a special case of bioherms, or wave-resistant calcium carbonate structures of biological origin.
In addition, stony corals formed huge mounds, known as bioherms.
The reef facies with massive algal bioherms might have formed in an up to 700 km long and 3-5 km wide distinctive facies belt on the shelf edge (Sennikov et al.
in press) Transgressiveregressive sequence stratigraphy of Pennsylvanian Donezella bioherms in a foreland basin (Lena Group, Cantabrian Zone, NW Spain).