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