Topic
Terrane
About: Terrane is a research topic. Over the lifetime, 11025 publications have been published within this topic receiving 442596 citations. The topic is also known as: tectonostratigraphic terrane.
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TL;DR: In this article, the evolution of Proterozoic crust in SW Mato Grosso state, Brazil has been studied using geochronologic, isotopic, and geochemical data.
160 citations
TL;DR: The early Alpine tectonics and relatively high-pressure metamorphic parageneses of the Helvetic, Pennine and Sesia-Lanzo realms are compared with analogous circumpacific terranes in western California, southwestern Japan, west-central Chile, and southern Alaska as mentioned in this paper.
160 citations
TL;DR: In this paper, the authors studied the Darlag-Lanzhou-Jingbian seismic refraction profile, which is located in the NE margin of the Tibetan plateau.
159 citations
TL;DR: In this paper, the drift history of Gondwana with respect to Laurentia and Baltica during the Paleozoic is shown in a series of paleogeographic maps.
159 citations
TL;DR: In this article, a very large volume of juvenile crust produced in the period of 500 to 100 Ma in several orogenic belts was revealed, including the East-Central Asian Orogenic Belt (ECAOB), eastern part of the Altaid Tectonic Collage, and Mongolia and Transbaikalia.
Abstract: The growth of the continental crust is generally believed to have been essentially completed in the Precambrian, and the amount of juvenile crust produced in the Phanerozoic is considered insignificant. Such idea of negligible growth in the Phanerozoic is now challenged by the revelation of very large volume of juvenile crust produced in the period of 500 to 100 Ma in several orogenic belts. While appreciable volumes of juvenile terranes in North America (Canadian Cordillera, Sierra Nevada and Peninsular Range, Appalachians) have been documented based on Nd isotopic data, the mass of new crust formed in the East-Central Asian Orogenic Belt (ECAOB), eastern part of the Altaid Tectonic Collage, appears to be much greater than the above terranes combined. New and published Nd-Sr isotope data indicate that the Phanerozoic granitoids from the southern belt of the ECAOB (Xinjiang-West Mongolia-Inner Mongolia-NE China) as well as from Mongolia and Transbaikalia were generated from sources dominated by a depleted mantle component. These granitoids represent a significant growth of juvenile crust in the Phanerozoic.
159 citations