erosional terrace

См. также в других словарях:

• Marine terrace — A marine terrace, coastal terrace[1], raised beach or perched coastline is a relatively flat, horizontal or gently inclined surface of marine origin[2], mostly an old abrasion platform which has been lifted out of the sphere of wave activity… …   Wikipedia

• Stream terrace — Stream terraces are relict features, such as floodplains, from periods when a stream was flowing at a higher elevation and has downcut to a lower elevation. Stream terraces often appear as plateaus on existing valley walls and indicate earlier… …   Wikipedia

• stream terrace —    One, or a series of flat topped landforms in a stream valley that flank and are parallel to the stream channel, originally formed by a previous stream level, and representing remnants of an abandoned flood plain, stream bed, or valley floor… …   Glossary of landform and geologic terms

• rock terrace —    A terrace formed by erosional action and denudation [16] …   Lexicon of Cave and Karst Terminology

• strath terrace —    A type of stream terrace, formed as an erosional surface cut on bedrock and thinly mantled (e.g., < 3 m) with stream deposits (alluvium), commonly with a gravel lag deposit immediately above the bedrock.    SW & GG …   Glossary of landform and geologic terms

• strath terrace —    An erosional remnant of an elevated broad river valley [16] …   Lexicon of Cave and Karst Terminology

• 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

• 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

• Wave-cut platform — Wave cut platform. In this case, alternating hard and soft layers have been folded up vertically and eroded by the tides, resulting in a regular ripple pattern at the surface. A wave cut platform, or shore platform is the narrow flat area often… …   Wikipedia

• Avulsion (river) — In sedimentary geology and fluvial geomorphology, avulsion is the rapid abandonment of a river channel and the formation of a new river channel. Avulsions occur as a result of channel slopes that are much lower than the slope that the river could …   Wikipedia

• Erosion — is the carrying away or displacement of solids (sediment, soil, rock and other particles) usually by the agents of currents such as, wind, water, or ice by downward or down slope movement in response to gravity or by living organisms (in the case …   Wikipedia