sedimentary particles

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• 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

• 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

• sedimentary rock —    A consolidated deposit of clastic particles, chemical precipitates, or organic remains accumulated at or near the surface of the earth under normal low temperature and pressure conditions.    Sedimentary rocks include consolidated equivalents… …   Glossary of landform and geologic terms

• sedimentary — adjective A form of rock made by the deposition and compression of small particles …   Wiktionary

• 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

• William C. Krumbein — William Christian Krumbein (1902 1979) was a notable geologist, after whom the Krumbein Medal of the International Association for Mathematical Geology (IAMG) was named. This medal was established at the 25th International Geological Congress in… …   Wikipedia

• Longshore drift — (sometimes known as shore drift, LSD or littoral drift) is a geological process by which sediments such as sand or other materials, move along a beach shore.MechanismLongshore drift is the net movement of sand and other fine particles like shell… …   Wikipedia

• Jiří Březina — Jiří Březina, born April 6, 1933 in Prague, Czechoslovakia, is a German scientist of Czech origin, a professor of Geology, and an expert in Sand Texture Sedimentology. In 1979 he developed an equation for drag coefficient of a sedimenting… …   Wikipedia

• sorted — /sawr tid/, adj. Geol. 1. (of sedimentary particles) uniform in size. 2. (of sedimentary rock) consisting of particles of uniform size. [1945 50; SORT + ED2] * * * …   Universalium

• Supraglacial lake — A supraglacial lake is any pond of liquid water on the top of a glacier. Although these pools are wict|ephemeral, they may reach kilometers in diameter and be several meters deep. They may last for months or even decades at a time, but can empty… …   Wikipedia