chert flint

См. также в других словарях:

• chert — flint like quartz, 1670s, of unknown origin …   Etymology dictionary

• Chert — For the Spanish municipality, see Xert. Chert Chert (  / …   Wikipedia

• chert — silicis statusas T sritis ekologija ir aplinkotyra apibrėžtis Cheminis elementas (Si), gamtoje susidedantis iš 3 stabilių izotopų, kurie sudaro 27,6 % Žemės plutos masės. Pagal paplitimą yra antras elementas po deguonies – tamsiai pilki rudi… …   Ekologijos terminų aiškinamasis žodynas

• flint — silicis statusas T sritis ekologija ir aplinkotyra apibrėžtis Cheminis elementas (Si), gamtoje susidedantis iš 3 stabilių izotopų, kurie sudaro 27,6 % Žemės plutos masės. Pagal paplitimą yra antras elementas po deguonies – tamsiai pilki rudi… …   Ekologijos terminų aiškinamasis žodynas

• Flint — (or flintstone) is a hard, sedimentary cryptocrystalline form of the mineral quartz, [ [http://webmineral.com/data/Quartz.shtml General Quartz Information] Webmineral.com (page contains java applets depicting 3d molecular structure)] [… …   Wikipedia

• Flint Hills — tall grasslands La Flint Hills tall grasslands pour le WWF ou la Flint Hills pour l EPA est une écorégion des Grandes plaines nord américaines. On l appel la région également Bluestem Pastures ou Blue Stem Hills. L écorégion du WWF couvre… …   Wikipédia en Français

• flint — [flint] n. [ME < OE, akin to Norw, stone splinter: see FLINDERS] 1. a dark colored variety of chert that produces sparks when struck with steel and that breaks into pieces with sharp cutting edges 2. a piece of this stone, used to start a fire …   English World dictionary

• chert — [chʉrt] n. [< ?] an extremely dense type of quartz, including jasper and flint, having a dull, opaque luster and made up of microscopic crystals cherty [chʉrtē] adj. chertier, chertiest …   English World dictionary

• chert and flint — Very fine grained quartz, a silica mineral with minor impurities. Flint is gray to black and nearly opaque (translucent brown in thin splinters). Opaque, dull, whitish to pale brown or gray specimens are called simply chert. Chert and flint… …   Universalium

• Flint Hills — The Flint Hills, historically known as Bluestem Pastures or Blue Stem Hills [GNIS|480069|Flint Hills] , are a band of hills in eastern Kansas stretching into north central Oklahoma, extending from Marshall County in the north to Cowley County,… …   Wikipedia

• chert — noun a) Massive generally dull colored and usually opaque quartzite or hornstone or impure chalcedony or other flint like mineral. By general usage in mineralogy and geology, a chert does not have a conchoidal fracture. In North American… …   Wiktionary