- metamorphic zone
- 变质带
English-Chinese geology dictionary (英汉地质大词典). 2013.
metamorphic zone
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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 — 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 facies — Eclogite Blueschist Greenschist Prehnite Pumpellyite … 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 core complex — Gneise und Granite der Zone axiale der Montagne Noire: ein metamorpher Kernkomplex Als Metamorpher Kernkomplex (engl. Metamorphic core complex) wird in der Geologie ein Geländeabschnitt bezeichnet, in dem ursprünglich tief in der Erdkruste… … Deutsch Wikipedia
metamorphic — 1. adjective /ˌmɛtəˈmɔɹfɪk/ Having been structurally altered as a result of, or resulting from, exposure to intense heat and/or pressure (at the contact zone between colliding plates, for example). 2. noun /ˌmɛtəˈmɔɹfɪk/ A rock that has been… … Wiktionary
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
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
George Barrow — (1853 1932) was a British geologist. He was the first to map a metamorphic gradient by determining a sequence of metamorphic zones in the Scottish Highlands. Every first appearance of an index mineral was taken by Barrow as the beginning of a new … Wikipedia
Geology of the Yosemite area — The exposed geology of the Yosemite area includes primarily granitic rocks with some older metamorphic rock. The first rocks were laid down in Precambrian times, when the area around Yosemite National Park was on the edge of a very young North… … Wikipedia
Black Hills — This article is about the region in South Dakota. For other places, see Black Hills (disambiguation). The Black Hills, South Dakot … Wikipedia
