high-grade metamorphic zone

high-grade metamorphic zone
зона высокой метаморфизации

English-Russian dictionary of geology. 2011.

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  • Metamorphic zone — Schematic map of a terrane with an increasing metamorphic grade. There are two folded lithologies: quartzite (originally sandy sediment) and pelite (originally clayy sediment). The index minerals can only grow in the pelite. The highest indicated …   Wikipedia

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

  • Metamorphic facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite …   Wikipedia

  • Moldanubian Zone — Most important structures and zones of the Variscan or Hercynian Orogeny in Europe.[1] The Moldanubian Zone is in the regional geology of Europe a tectonic zone formed during the Variscan or Hercynian Orogeny (400 to 300 million ye …   Wikipedia

  • Ultra-high-temperature metamorphism — (UHT) represents extreme crustal metamorphism with metamorphic temperatures exceeding 900 °C (Harley, 1998 Geol. Soc. Lond; Brown, 2007 Int. Geol. Rev.; Kelsey, 2008 Gondwana Res.; Santosh and Omori, 2008a Gondwana Res.). Granulite facies rocks… …   Wikipedia

  • Sesia zone — The Sesia unit or Sesia nappe, also called the Sesia Dent Blanche unit is a tectonic unit or terrane in the Swiss and Italian Alps. The zone crops out in the Pennine Alps and in the southeastern part of the Aosta Valley. It is widely seen as part …   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

  • Kambalda type komatiitic nickel ore deposits — Kambalda type nickel ore deposits are a class of magmatic nickel copper ore deposit in which the physical processes of komatiite volcanology serve to enrich, concentrate and deposit nickel bearing sulfide within the lava flow environment of an… …   Wikipedia

  • Geology of the Himalaya — [ Fig 1: The earth in the Early Permian. At that time, India is part of Gondwana and bordered to the north by the Cimmerian Superterrane. Paleogeographic reconstructions. By Dèzes (1999), based on Stampfli and Borel (2002) and Patriat and Achache …   Wikipedia

  • Limpopo Belt — The Limpopo Belt is located in South Africa and Zimbabwe, runs E NE, and joins the Kaapvaal craton to the south with the Zimbabwe craton to the north. The belt is of high grade metamorphic rocks that have undergone a long cycle of metamorphism… …   Wikipedia

  • Geology of the Alps — The Alps form a part of a Tertiary orogenic belt of mountain chains, called the Alpide belt, that stretches through southern Europe and Asia from the Atlantic all the way to the Himalayas. This belt of mountain chains was formed during the Alpine …   Wikipedia


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