- bioherm limestone
- (геол.) биогермный известняк
English-Russian dictionary of Oil Industry. 2014.
English-Russian dictionary of Oil Industry. 2014.
bioherm — ☆ bioherm [bī′ō hʉrm΄ ] n. [< BIO + Gr herma, a reef] 1. a reeflike mass or mound of limestone built by sedentary organisms, as corals: cf. BIOSTROME 2. CORAL REEF … English World dictionary
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
Stromatolite — Stromatolites (from Greek στρώμα, strōma , mattress, bed, stratum, and λιθος, lithos , rock) are layered accretionary structures formed in shallow water by the trapping, binding, and cementation of sedimentary grains by biofilms of microorganisms … Wikipedia
Gotland — For the Swedish warships, see HMS Gotland. Gotland Coat of Arms … Wikipedia
Burgsvik beds — The Burgsvik beds are a sequence of shallow marine limestones and sandstones found near the town of Burgsvik in the southern part of Gotland, Sweden. The beds were deposited in the Upper Silurian period, around Ma|420, in warm, equatorial waters… … Wikipedia
Geology of Gotland — Gotland is made up of a sequence of sedimentary rocks of a Silurian age, dipping to the south east.The main Silurian succession of limestones and shales comprises thirteen units spanning 200 500 m of stratigraphic thickness, being thickest in the … Wikipedia
biostrome — ☆ biostrome [bī′ō strōm΄ ] n. [< BIO + Gr strōma, a mattress, bed, rug < IE base * ster , to spread out > STRAW, STREW] a flat, thin limestone layer consisting predominantly of marine fossils, as corals: cf. BIOHERM … English World dictionary