- rhythmic sedimentation
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ритм в осадочных породах
English-Russian dictionary of geology. 2011.
rhythmic sedimentation
Смотреть что такое "rhythmic sedimentation" в других словарях:
sedimentary facies — Different, but contemporaneous and juxtaposed, sedimentary rocks. Terrigenous facies are accumulations of particles eroded from older rocks and transported to the depositional site. Biogenic facies are accumulations of whole or fragmented shells… … Universalium
rhythmite — An individual unit of a succession of beds developed by rhythmic sedimentation; e.g., a cyclothem. The term implies no limit as to bedding thickness or complexity and denotes no time or seasonal connotation. Compare: varve, cyclothem.… … Glossary of landform and geologic terms
rock anhydrite — A sedimentary rock (evaporite) composed chiefly of mineral anhydrite (anhydrous CaSO4); The rock is generally massive, cryptocrystalline, and may exhibit rhythmic sedimentation (rhymites). Compare: rock gypsum, rock halite. SW … Glossary of landform and geologic terms
rock gypsum — A sedimentary rock (evaporite) composed primarily of mineral gypsum (CaSO4·2H2O). The rock is generally massive, ranges from coarse crystalline to fine granular, may show disturbed bedding due to hydration expansion of parent anhydrite… … Glossary of landform and geologic terms
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
quaternary — /kwot euhr ner ee, kweuh terr neuh ree/, adj., n., pl. quaternaries. adj. 1. consisting of four. 2. arranged in fours. 3. (cap.) Geol. noting or pertaining to the present period of earth history, forming the latter part of the Cenozoic Era,… … Universalium
Cyclic sediments — (also called rhythmic sediments[1]) are sequences of sedimentary rocks that are characterised by repetitive patterns of different rock types (strata) within the sequence. Cyclic sediments can be identified as either autocyclic or allocyclic, and… … Wikipedia
Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… … Universalium
François-Alphonse Forel — (February 2, 1841 August 7, 1912) was a Swiss scientist who pioneered the study of lakes, and is thus considered the founder of limnology.Born in Morges on Lake Geneva, he worked as a professor of medicine at the University of Lausanne.But his… … Wikipedia
Missoula Floods — Glacial Lake Columbia (west) and Glacial Lake Missoula (east) are shown south of Cordilleran Ice Sheet. The areas inundated in the Columbia and Missoula floods are shown in red … Wikipedia
Glaciolacustrine deposits — Sediments deposited into lakes that have come from glaciers are called glaciolacustrine deposits. These lakes include ice margin lakes or other types formed from glacial erosion or deposition. Sediments in the bedload and suspended load are… … Wikipedia
