- foreset beds
-
• отложения подводного склона дельт• передовой пласт• средняя песчаная площадка
English-Russian dictionary of geology. 2011.
foreset beds
Смотреть что такое "foreset beds" в других словарях:
foreset beds — in a delta, the deposits of silts and clays found to the seaward side of the feature beyond the topset beds but above and before the bottomset beds. Usually lie at an angle as a result … Geography glossary
bottomset beds — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun plural : layers of sedimentary material lying along the bottom of a body of water near the point of entry of a stream, the material having been carried to the area by the entering stream and being subsequently covered by… … Useful english dictionary
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
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
Cross-bedding — Crossbedding of sandstone near Mt. Carmel road, Zion Canyon, indicating wind action and sand dune formation prior to formation of rock (NPS photo by George A. Grant, 1929) … Wikipedia
glacial landform — ▪ geology Introduction any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… … Universalium
outwash delta — A relict (inactive) delta composed of glaciofluvial sediments formed where a sediment laden outwash river emptied into an open lake, commonly a proglacial lake. Sediment attributes include very gently dipping topset beds (coarser textures) and … Glossary of landform and geologic terms
Ultramafic to mafic layered intrusions — are found in typically ancient cratons and are rare but worldwide in distribution. The intrusive complexes exhibit evidence of fractional crystallization and crystal segregation by settling or floating of minerals from a melt. Ideally the… … Wikipedia
