sedimentary deposit
21Contourite — A contourite is a sedimentary deposit produced by thermohaline induced deepwater bottom currents and may be influenced by wind or tidal forces.[1][2] Most contourites are formed in continental rise to lower slope settings, although they may occur …
22North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
23loess — loessial, loessal, adj. /loh es, les, lus/, n. a loamy deposit formed by wind, usually yellowish and calcareous, common in the Mississippi Valley and in Europe and Asia. [1825 35; < G Löss < Swiss G lösch loose, slack (sch taken as a dial.… …
24alluvial fan — Physical Geog. a fan shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain. Also called alluvial cone. [1870 75] * * * ▪ geological feature unconsolidated… …
25evaporite — /i vap euh ruyt /, n. Geol. any sedimentary rock, as gypsum or rock salt, formed by precipitation from evaporating seawater. [1920 25; EVAPOR(ATION) + ITE1] * * * Any of a variety of minerals found in sedimentary deposits of soluble salts that… …
26Geology of Scotland — The geology of Scotland is unusually varied for a country of its size, with a large number of differing geological features. [Keay Keay (1994) op cit page 415.] There are three main geographical sub divisions: the Highlands and Islands is a… …
27facies — /fay shee eez , sheez/, n., pl. facies. 1. general appearance, as of an animal or vegetable group. 2. Geol. the appearance and characteristics of a sedimentary deposit, esp. as they reflect the conditions and environment of deposition and serve… …
28Neptunism — Abraham Gottlob Werner (1749 1817), the founder of Neptunism Neptunism is a discredited and obsolete scientific theory of geology proposed by Abraham Gottlob Werner in the late 18th century that proposed rocks formed from the crystallisation of… …
29hematite — hematitic /hee meuh tit ik, hem euh /, adj. /hee meuh tuyt , hem euh /, n. a very common mineral, iron oxide, Fe2O3, occurring in steel gray to black crystals and in red earthy masses: the principal ore of iron. [1535 45; < L haematites… …
30Large igneous province — Only a few of the largest Large Igneous Provinces are indicated (by the dark purple areas) on this geological map, which depicts crustal geologic provinces as seen in seismic refraction data. A Large Igneous Province (LIP) is an extremely large… …
