- clastic structure
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English-Russian dictionary of geology. 2011.
clastic structure
Смотреть что такое "clastic structure" в других словарях:
clastic — [klas′tik] adj. [< Gr klastos, broken < klan, to break (< IE * kla , var. of base * kel , to strike > HOLT, Gr klēma, L calamitas, calamity) + IC] 1. designating an anatomical model with removable sections to show internal structure 2 … English World dictionary
Clastic dike — Vertical clastic dike, filled with coarse basaltic sand, cuts lighter colored horizontal beds composed of finer grained material. Quarter for scale. A clastic dike is a seam of sedimentary material that fills a crack in and cuts across… … Wikipedia
Dish structure — A dish structure is a secondary sedimentary structure caused by liquefaction and fluidization of the soft sediment. The structure occurs mainly in clastic deposits like turbidites. Contents 1 Terminology 2 History 3 Description … Wikipedia
Way up structure — A Way up structure is a characteristic relationship observed in a sedimentary or volcanic rock, or sequence of rocks, that makes it possible to determine whether they are the right way up (i.e in the attitude in which they were originally… … Wikipedia
Schist — The schists constitute a group of medium grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn out grains to such an… … Wikipedia
Metamorphic rock — Metamorphic redirects here. For other uses, see Metamorphic (disambiguation). Quartzite, a form of metamorphic rock, from the Museum of Geology at University of Tartu collection. Metamorphic rock is the transformation of an existing rock type,… … Wikipedia
quartzite — quartzitic /kwawrt sit ik/, adj. /kwawrt suyt/, n. a granular metamorphic rock consisting essentially of quartz in interlocking grains. [1840 50; QUARTZ + ITE1] * * * Sandstone that has been converted into a solid quartz rock. Quartzites are… … Universalium
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
Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… … Wikipedia
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
