Web(ˈgræn ɪt) n. 1. a coarse-grained igneous rock composed chiefly of orthoclase and albite feldspars and of quartz, usu. with lesser amounts of one or more other minerals, as mica, hornblende, or augite. 2. something of great hardness, firmness, or durability. [1640–50; < Italian. See grain, -ite 1] gra•nit•ic (grəˈnɪt ɪk) adj. WebA granitoid is a generic term for a diverse category of coarse-grained igneous rocks that …
Geochemical, modal, and geochronologic data for 1.4 Ga A-type granitoid …
WebDefinition of Granitoid in the Fine Dictionary. Meaning of Granitoid with illustrations … WebDec 16, 2024 · Granite typology categorizes granitoid rocks based upon distinguishing characteristics that are interpreted to indicate sources, conditions of generation, and, by implication, tectonic setting. Complexities of elemental and isotopic geochemistry, however, commonly preclude simple typological interpretation and suggest more complex … east german poncho shelter
Granitoid - an overview ScienceDirect Topics
Web1 day ago · The formation and evolution of the ancient continental crust are crucial issues in solid-earth geology which are commonly associated with global tectonic events and the formation of economically valuable magmatic-hydrothermal ore deposits. The Cathaysia Block, one of the ancient continents in Southeast Asia, can be subdivided into two parts: … Webtion of a granitoid pluton. Besides, granitoid magmas crystallize over a broad compositional spectrum resulting in sig nificant overlap in the I-A-S characteris tics. Such a situation has been observed, for example, Bundelkhand granitoids of the central Indian shield8-" (M. E. A. Mondai, unpublished). The definition of M-type, like I-A-S, culligan water cooler bottom load