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 paper, the authors used ID-NTIMS data to provide a clear Late Archean-Early Paleoproterozoic age for the Malanjkhand deposit and by implication for its calc-alkaline granitoid host.
186 citations
TL;DR: The lack of post-orogenic tectonic collapse and extensional faulting of some ultra-high pressure (UHP) orogens has major implications for exhumation models of UHP metamorphic terranes.
186 citations
TL;DR: In this article, the authors used 250 single detrital zircons from Upper Proterozoic to Ordovician strata collected from the Zhuozi Shan in north-central China to determine the provenance of clastic sedimentary units and assess validity of paleogeographic and regional tectonic models.
185 citations
TL;DR: A detailed zircon dating and geochemical and Sr-Nd-Hf isotopic study of this suite of rocks has been under- taken in order to clarify this important issue as mentioned in this paper.
185 citations
TL;DR: In this article, a procedure to calculate quantitative rock pressure-temperature (P-T ) paths based on chemical zoning profiles in garnet, combined with mineral chemistry from the other minerals in the assemblage, has been applied to samples from diverse tectonic settings with the result that the calculated P-T path is shown to be a sensitive monitor of tectonics processes.
Abstract: A procedure to calculate quantitative rock pressure-temperature ( P-T ) paths based on chemical zoning profiles in garnet, combined with mineral chemistry from the other minerals in the assemblage, has been applied to samples from diverse tectonic settings with the result that the calculated P-T path is shown to be a sensitive monitor of tectonic processes. Terranes where metamorphic recrystallization paths are controlled by uplift and erosion show heating during decompression in the “prograde” P-T path and cooling during decompression in the “retrograde” path. In nappe terranes where hot rocks are emplaced over cool rocks, the upper plate shows cooling during decompression, whereas the lower plate shows heating during compression. In nappe terranes where cool rocks are emplaced over hot, the lower plate shows cooling during compression. Calculation of P-T paths from mineral zoning should provide a powerful new tool for deciphering tectonic processes in crystalline terranes.
184 citations