plutonic intrusion

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• Intrusion — In geology, an intrusion is a body of igneous rock that has crystallized from molten magma below the surface of the Earth. Bodies of magma that solidify underground before they reach the surface of the earth are called plutons, named for Pluto,… …   Wikipedia

• intrusion — intrusional, adj. /in trooh zheuhn/, n. 1. an act or instance of intruding. 2. the state of being intruded. 3. Law. a. an illegal act of entering, seizing, or taking possession of another s property. b. a wrongful entry after the determination of …   Universalium

• plutonic rocks — Intrusive In*tru sive, a. Apt to intrude; characterized by intrusion; entering without right or welcome. [1913 Webster] {Intrusive rocks} (Geol.), rocks which have been forced, while in a plastic or melted state, into the cavities or between the… …   The Collaborative International Dictionary of English

• intrusion — in•tru•sion [[t]ɪnˈtru ʒən[/t]] n. 1) an act or instance of intruding 2) the state of being intruded 3) law an illegal act of entering or taking possession of another s property 4) gel a) emplacement of molten rock in preexisting rock b) plutonic …   From formal English to slang

• Cretaceous Period — Interval of geologic time from с 144 to 65 million years ago. During the Cretaceous the climate was warmer than today. In the seas, marine invertebrates flourished, and bony fishes evolved. On land, flowering plants arose, and insects, bees in… …   Universalium

• Sourland Mountain — The Sourland Mountain is a convert|17|mi|km|0 long ridge in central New Jersey, extending from the Delaware River at Lambertville to the western end of Hillsborough Township near the community of Neshanic in Branchburg Township, through… …   Wikipedia

• Geology of Guernsey — Guernsey has a geological history stretching further back into the past than most of Europe. The southern part is constructed of Icart Gneiss. The Icart Gneiss is an augen gneiss of granitic composition containing potassium feldspar. This was… …   Wikipedia

• Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… …   Wikipedia

• 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

• Slave craton — which is one of the oldest dated rock units on Earth at 4.03 Ga. The crust of the Slave craton is thought to have amalgamated during a 2.69 Ga collision between a proto Slave western basement complex, known as the Central Slave Basement Complex,… …   Wikipedia

• Trans-Hudson orogeny — [ North American craton, also called Laurentia.] [ Wyoming, Superior and Hearne cratons] The Trans Hudson orogeny, Trans Hudsonian orogeny, Trans Hudson orogen (THO), or Trans Hudson Orogen Transect (THOT), (also referred to as the Trans… …   Wikipedia