Igneous rock — Geologic provinces of the world (USGS) Shield … Wikipedia
effusive igneous rock — intruzinė uoliena statusas T sritis chemija apibrėžtis Magminė uoliena, susidariusi giliai Žemės plutoje kristalizuojantis magmai. atitikmenys: angl. effusive igneous rock; intrusive igneous rock rus. интрузивная порода … Chemijos terminų aiškinamasis žodynas
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
igneous rock — Rock formed by cooling and solidification from magma, and that has not been changed appreciably by weathering since its formation; major varieties include plutonic (i.e., intrusive) and volcanic (i.e., extrusive) rocks. Examples: andesite,… … Glossary of landform and geologic terms
igneous rock — noun one of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive) … Wiktionary
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium
Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… … Universalium
Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… … Wikipedia
Igneous textures — include the rock textures occurring in igneous rocks. Igneous textures are utilized by geologists in determining the mode of origin igneous rocks and are used in rock classification. There are six main types of textures; phaneritic, aphanitic,… … Wikipedia
intrusive rock — Igneous rock formed from magma forced into older rocks at depths within the Earth s crust, which then slowly solidifies below the Earth s surface, though it may later be exposed by erosion. Igneous intrusions form a variety of rock types. See… … Universalium