- 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.
* * *
Universalium. 2010.
intrusive rock
Look at other dictionaries:
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
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
intrusive — /ɪnˈtrusɪv/ (say in troohsiv), / zɪv/ (say ziv) adjective 1. intruding. 2. characterised by or involving intrusion: intrusive noise. 3. apt to intrude; coming unbidden or without welcome: intrusive phone calls. 4. violating one s privacy: an… …
Intrusive (disambiguation) — Intrusive may refer to: * a geological intrusion of molten magma leaving behind igneous rock * the British Linking R also known as the Intrusive R * physical trespass by an intruder * verbal or emotional trespass from one person against another… … Wikipedia
Intrusive Spur — (coord|73|30|S|94|25|W|) is a rock spur along the north front of the Jones Mountains, 1 mile (1.6 km) west of Avalanche Ridge. Mapped by the University of Minnesota Jones Mountains Party, 1960 61. So named by the party because the intrusive… … Wikipedia
intrusive — ► ADJECTIVE 1) intruding or tending to intrude. 2) (of igneous rock) that has been forced when molten into cracks in neighbouring strata. DERIVATIVES intrusively adverb intrusiveness noun … English terms dictionary
intrusive — [in tro͞osiv] adj. [< L intrusus, pp. of intrudere (see INTRUDE) + IVE] 1. intruding or tending to intrude 2. Geol. designating or of igneous rock formed from magma that hardened while still within the earth, moon, etc.: cf. EXTRUSIVE (sense… … English World dictionary
intrusive — adjective Date: 15th century 1. a. characterized by intrusion b. intruding where one is not welcome or invited 2. a. projecting inward < an intrusive arm of the sea > b. (1) of a rock having been forced while in a plastic state into cavities or… … New Collegiate Dictionary
rock — USGS PHOTO GLOSSARY OF VOLCANIC TERMS Rocks are naturally occurring mixtures of minerals, mineral matter, or organic materials. Three main types occur: sedimentary rocks, formed by weathering and mechanical sorting on the Earth s surface;… … Glossary of volcanic terms