Webcraton, the stable interior portion of a continent characteristically composed of ancient crystalline basement rock. The term craton is used to distinguish such regions from mobile geosynclinal troughs, which are linear belts of sediment accumulations subject to subsidence ( i.e., downwarping). WebCraton The Archean Yilgarn Craton in Western Australia is an area of granitic, mafic intrusive, gneissic, volcanic, and sedimentary rocks. From:Earth's Oldest Rocks (Second Edition), 2024 Related terms: Magmatism Orogenic Belt Orogeny Precambrian Supercontinent Terrane Peridotite View all Topics Set alert About this page Volume 4

【英単語】metamorphistを徹底解説！意味、使い方、例文、読み方

http://ja.wordow.com/english/dictionary/craton WebEast Antarctic Shield The East Antarctic Shield or Craton is a cratonic rock body that covers 10.2 million square kilometers or roughly 73% of the continent of Antarctica. The shield is … great free horror games

Craton — Wikipédia

WebA craton is an old and stable part of the continental lithosphere. Having often survived cycles of merging and rifting of continents, cratons are generally f... A craton is an old and stable part of the continental lithosphere, which consists of Earth's two topmost layers, the crust and the uppermost mantle. Having often survived cycles of merging and rifting of continents, cratons are generally found in the interiors of tectonic plates; the exceptions occur where geologically recent rifting events have separated cratons and created passive margins along their … WebJul 15, 2024 · A craton/ˈkreɪtən/ is an old and stable part of the continental lithosphere. Having often survived cycles of merging and rifting of continents, cratons are generally … flitch millwork