acid magma

См. также в других словарях:

• кисла магма — кислая магма acid magma saures Magma, Granitmagma – глибинний в’язкий силікатний розплав, що містить понад 65% кремнезему і відносно багатий на леткі речовини; один з основних типів магм. При охолодженні на поверхні або поблизу неї формує… …   Гірничий енциклопедичний словник

• 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

• Igneous differentiation — In geology, igneous differentiation is an umbrella term for the various processes by which magmas undergo bulk chemical change during the partial melting process, cooling, emplacement or eruption. Contents 1 Definitions 1.1 Primary melts 1.2… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• List of Advanced Dungeons & Dragons 2nd edition monsters — See also: Lists of Dungeons Dragons monsters This is the list of Advanced Dungeons Dragons 2nd edition monsters, an important element of that role playing game.[1] This list only includes monsters from official Advanced Dungeons Dragons 2nd… …   Wikipedia

• Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …   Wikipedia

• volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …   Universalium

• 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

• Volcano — This article is about the geological feature. For other uses, see Volcano (disambiguation) …   Wikipedia

• mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium