sedimentary material
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Sedimentary organic matter — includes the carbonaceous component of sediments and sedimentary rocks. The organic matter is usually a component of sedimentary material even if it is present in low abundance (usually lower than 1%). Petroleum (or oil) and natural gas are… … Wikipedia
Sedimentary budget — describes the process of growth or loss of sediment on a beach.The balance between the processes of adding and removing sand results in a beach that may appear to be stable but it is actually exchanging its material on all sides. If input and… … Wikipedia
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 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 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 peat — An accumulation of organic material that is predominantly the remains of floating aquatic plants (e.g., algae) and the remains and fecal material of aquatic animals, including coprogenous earth. Compare: herbaceous peat, moss peat, woody… … Glossary of landform and geologic terms
Organic-rich sedimentary rocks — are a specific type of sedimentary rock that contains significant amounts (>3%) of organic carbon.[1] The most common types include coal, lignite, oil shale, or black shale. The organic material may be disseminated throughout the rock giving… … Wikipedia
GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… … Encyclopedia of Judaism
geochronology — geochronologic /jee oh kron l oj ik/, geochronological, adj. geochronologist, n. /jee oh kreuh nol euh jee/, n. the chronology of the earth, as based on both absolute and relative methods of age determination. [1890 95; GEO + CHRONOLOGY] * * *… … Universalium
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
Sedimentology — encompasses the study of modern sediments such as sand [ Raymond Siever, Sand, Scientific American Library, New York (1988), ISBN 0 7167 5021 X.] , mud (silt), [ P.E. Potter, J.B. Maynard, and P.J. Depetris, Mud and Mudstones: Introduction and… … Wikipedia
