metamorphic basement rocks

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• Vishnu Basement Rocks — Als Vishnu Basement Rocks oder auch Vishnu Group (Vishnu Grundgebirge oder Vishnu Gruppe) – benannt nach der Hindugottheit Vishnu – wird das paläoproterozoische polymetamorphe kristalline Grundgebirge bezeichnet, das im US amerikanischen… …   Deutsch Wikipedia

• Basement rock — usually refers to the thick foundation of ancient, and oldest metamorphic and igneous rock that forms the crust of continents, often in the form of granite. Basement rock is contrasted to overlying sedimentary rocks which are laid down on top of… …   Wikipedia

• Metamorphic core complex — Metamorphic core complexes are exposures of deep crust exhumed in association with largely amagmatic extension. They form, and are exhumed, through relatively fast transport of middle and lower continental crust to the Earth s surface. During… …   Wikipedia

• basement — [bās′mənt] n. [ BASE1 + MENT] 1. the foundation or lower part of a wall or structure 2. the lowest story of a building, below the main floor and wholly or partly below the surface of the ground 3. Geol. the oldest layer of igneous and metamorphic …   English World dictionary

• Basement (geology) — In geology, the terms basement and crystalline basement are used to define the rocks below a sedimentary platform or cover, or more generally any rock below sedimentary rocks or sedimentary basins that are metamorphic or igneous in origin. In the …   Wikipedia

• basement complex — noun 1. : the assemblage of metamorphic and igneous rocks underlying stratified rocks in a particular region 2. : the Archean rocks compare fundamental complex * * * Geol. the undifferentiated assemblage of rock (basement rock) underlying the… …   Useful english dictionary

• basement complex — /ˈbeɪsmənt ˌkɒmplɛks/ (say baysmuhnt .kompleks) noun a series of metamorphic and igneous rocks underlying dominantly sedimentary rocks, often, though not necessarily, formed before the Cambrian period. Also, basement rock …  

• GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …   Encyclopedia of Judaism

• Musgrave Block — The Musgrave Block is an east west trending belt of Proterozoic granulite gneiss basement rocks approximately 500km long. The Musgrave Block extends from western South Australia into Western Australia. The Musgrave Block is primarily exposed… …   Wikipedia

• Mines and Geosciences Bureau Region 13 (Philippines) — DENR Mines and Geosciences Bureau Region 13 Kawanihan ng Pagmimina at Agham Panlupa Bureau/Regional overview Headquarters DENR MGB Compound, Km. 2 National Highway, Surgao City Annual budget Personal Services P25.14 million (2011) Bureau/Regional …   Wikipedia

• Massif Central (geology) — The Massif Central forms together with the Armorican Massif (Brittany and Normandy) one of the two big basement massifs in France. Its geological evolution started in the late Neoproterozoic and continues to this day. It has been shaped mainly by …   Wikipedia