bioherm


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Related to bioherm: biostrome

bi·o·herm

 (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.

[bio- + Greek herma, sunken rock, reef (of unknown origin).]

bioherm

(ˈbaɪəʊˌhɜːm)
n
1. (Biology) a mound of material laid down by sedentary marine organisms, esp a coral reef
2. (Biology) the fossilized remains of such a mound
[C20: from bio- + Greek herma submerged rock]
References in periodicals archive ?
describe ultrastructural features of porostromate microproblematica from a Mulde Event (Homerian) bioherm in Podolia, Western Ukraine, and Vendrasco and Checa illustrate shell microstructure and its inheritance in the calcitic helcionellid Mackinnonia.
We prefer to use the term bioherm to describe these features as they are considered to be composed of trapped sediments and both living and dead bivalves, while others (Paull et al.
The outcrop is exposed in a narrow vertical trench and the geometry of the bioherm is not entirely visible.
The best exposed bioherm is a biodetrital mound located in a road cut on Highway 157 in Lawrence County, Alabama (Site H157, latitude 30[degrees] 24' 38" N, longitude 87[degrees] 49' 51" W; Fig.
The bioherm faunal assemblage indicates maximum water depths of 20-30 m (Brunton & Copper 1994) consistent with our interpretation.
Under the collaboration, ViaLogy will demonstrate a systematic solution for elucidating carbonate bioherms and porosity pockets in a lithology that changes dramatically over small areas.
This area is known as the Oculina Bank, a series of reefs and high-relief bioherms (thickets of live coral, capping mounds of sediment and coral rubble, built upon an underlying lithified base structure) constructed by the scleractinian ivory tree coral (Oculina varicosa).
1991, Holocene sponge bioherms on the western Canadian continental shelf.
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.