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coarse-grained sediments

См. также в других словарях:

  • Turbidite — geological formations have their origins in turbidity current deposits, which are deposits from a form of underwater avalanche that are responsible for distributing vast amounts of clastic sediment into the deep ocean. The ideal turbidite… …   Wikipedia

  • River delta — Nile River delta, as seen from Earth orbit. The Nile is an example of a wave dominated delta that has the classic Greek delta (Δ) shape after which river deltas were named. A delta is a landform that is formed at the mouth of a river where that… …   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

  • marine sediment — Any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanic activity, and chemical… …   Universalium

  • Tellerstruktur — Eine Tellerstruktur ist eine sekundäre Sedimentstruktur, die durch Verflüssigung oder Fluidisierung im unverfestigten Sediment verursacht wird. Inhaltsverzeichnis 1 Begriffsklärung 2 Erforschungsgeschichte 3 Beschreibung der Struktur …   Deutsch Wikipedia

  • Ediacara fauna — ▪ paleontology  unique assemblage of soft bodied organisms preserved worldwide as fossil impressions in sandstone from the Proterozoic Eon at the close of Precambrian (Precambrian time) time. These fauna represent an important landmark in the… …   Universalium

  • 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

  • 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

  • Geology of the Australian Capital Territory — Australia grew around three fused pieces of very ancient continental crust (cratons). The geology of the Australian Capital Territory includes rocks dating from the Ordovician around 480 million years ago, whilst most rocks are from the Silurian …   Wikipedia

  • river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

  • Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts …   Wikipedia


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