crystalline metamorphic rock

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• Metamorphic rock — Metamorphic redirects here. For other uses, see Metamorphic (disambiguation). Quartzite, a form of metamorphic rock, from the Museum of Geology at University of Tartu collection. Metamorphic rock is the transformation of an existing rock type,… …   Wikipedia

• metamorphic rock —    Rock formed from igneous or sedimentary rock which has been geologically changed in its crystalline structure by great heat and pressure. Examples include marble, schist, and slate. Also see stone …   Glossary of Art Terms

• metamorphic rock —    Rock of any origin altered in mineralogical composition, chemical composition, or structure by heat, pressure, and movement at depth in the earth s crust. Nearly all such rocks are crystalline.    Examples: schist, gneiss, quartzite, slate,… …   Glossary of landform and geologic terms

• 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

• Rock cycle — rocks do not remain in equilibrium and are forced to change as they encounter new environments. The rock cycle is an illustration that explains how the 3 rock types are related to each other and how processes change from one type to another over… …   Wikipedia

• rock — I. /rɒk / (say rok) noun 1. Geology a. mineral matter of various composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat (igneous rock), or of water, air, or ice (sedimentary …  

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• crystalline rock — Any rock composed entirely of crystallized minerals without glassy matter (matter without visible crystals). Intrusive igneous rocks (see intrusive rock) are nearly always crystalline; extrusive igneous rocks (see extrusive rock) may be partly to …   Universalium

• Igneous rock — Geologic provinces of the world (USGS)   Shield …   Wikipedia