2.85 Ga and 2.73 Ga A-type granites and 2.75 Ga trondhjemite from the Zhongxiang Terrain: Implications for early crustal evolution of the Yangtze Craton, South China
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DOI: 10.1016/j.gr.2018.05.004
Abstract: Abstract The discovery of the Neoarchean Yangpo Group and Jinshan A-type granites in the Zhongxiang Terrain opened a new research window on the early crustal evolution of Yangtze Craton. We present here new zircon dating… read more here.
Keywords: type; yangtze craton; type granites; zhongxiang terrain ... See more keywords
Petrogenesis of multistage S-type granites from the Malay Peninsula in the Southeast Asian tin belt and their relationship to Tethyan evolution
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DOI: 10.1016/j.gr.2020.02.013
Abstract: Abstract The relationship between plate tectonics and the reworking of continental crust remains controversial. Multistage, hornblende-free, S-type granites across the Malay Peninsula Sn belt are ideal for investigating this research question. Here we present zircon… read more here.
Keywords: type granites; type; multistage type; tethyan evolution ... See more keywords
The compositional variation of I-type granites: Constraints from geochemical analyses and phase equilibrium calculations for granites from the Qinling orogen, central China
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DOI: 10.1016/j.jseaes.2020.104471
Abstract: Abstract There is a large compositional variation of I-type granites. Although partial melting and fractional crystallization are the two primary mechanisms for the variation, it is intriguing to know how they jointly work. This issue… read more here.
Keywords: variation; variation type; type granites; compositional variation ... See more keywords
Early Cretaceous (~ 140 Ma) aluminous A-type granites in the Tethyan Himalaya, Tibet: Products of crust-mantle interaction during lithospheric extension
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DOI: 10.1016/j.lithos.2017.11.023
Abstract: A-type granites have been the focus of considerable research due to their distinctive major- and trace-element signatures and tectonic significance. However, their petrogenesis, magmatic source and tectonic setting remain controversial, particularly for aluminous A-type granites.… read more here.
Keywords: lithospheric extension; type granites; tethyan himalaya; aluminous type ... See more keywords
Nd-O-Hf isotopic decoupling in S-type granites: Implications for ridge subduction
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DOI: 10.1016/j.lithos.2019.03.009
Abstract: Abstract The generation of S-type granites in the continental crust generally requires partial melting of metasedimentary rocks at relatively high temperatures, and is typically associated with syn- or post-collisional tectonics. These melts are generally expected… read more here.
Keywords: ridge subduction; type granites; melting metasedimentary; isotopic decoupling ... See more keywords
Petrogenesis of A-type granites associated with Sn–Nb–Zn mineralization in Ririwai complex, north-Central Nigeria: Constraints from whole-rock Sm Nd and zircon Lu Hf isotope systematics
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DOI: 10.1016/j.lithos.2019.05.003
Abstract: Abstract We report a combined study of whole-rock major- and trace-element geochemistry, Sm Nd isotope composition, zircon U/Pb dating, and Lu Hf systematics of peralkaline and aluminous A-type granites from the Ririwai Ring Complex in… read more here.
Keywords: type granites; zircon; systematics; whole rock ... See more keywords
Genesis of high-potassium calc-alkaline peraluminous I-type granite: New insights from the Gaoligong belt granites in southeastern Tibet Plateau
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DOI: 10.1016/j.lithos.2019.105343
Abstract: Abstract Silicic magmas, primarily felsic I- and S-type granite (sensu lato), play a key role in understanding the compositional evolution and differentiation of the continental crust. However, the genetic models of felsic I-type granites remain… read more here.
Keywords: type granite; calc alkaline; type granites; felsic type ... See more keywords
Paleoproterozoic S-type granites from the Helanshan Complex in Inner Mongolia: Constraints on the provenance and the Paleoproterozoic evolution of the Khondalite Belt, North China Craton
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DOI: 10.1016/j.precamres.2017.07.009
Abstract: Abstract The Khondalite Belt is a Paleoproterozoic tectonic belt in the Western Block of the North China Craton. It consists mainly of high-grade metamorphosed Al-rich sedimentary rocks, also named as the ‘Khondalite Series’. The vast… read more here.
Keywords: khondalite belt; paleoproterozoic; type granites; provenance ... See more keywords
Petrogenesis and thermal overprint of S-type granites in Helanshan region, North China Craton: Constraints on the 1.90 Ga khondalites decompression melting and 1.32 Ga tectono-thermal event
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DOI: 10.1016/j.precamres.2017.08.016
Abstract: Abstract Widespread Paleoproterozoic S-type granites and khondalites (high-grade sillimanite-garnet gneisses) are exposed in the Khondalite Belt of the North China Craton (NCC). Porphyritic biotite granites in the Helanshan region from the western Khondalite Belt exhibit… read more here.
Keywords: decompression; zircon; type granites; type ... See more keywords
Geochemistry and Sr–Nd isotopic characteristics of ferroan-magnesian metaluminous granites of the NW Sanandaj–Sirjan zone, Iran: granite formation in a compressional–extensional setting during Late Jurassic time
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DOI: 10.1017/s0016756823000146
Abstract: The Almogholagh–Dehgolan region is in the North Sanandaj–Sirjan zone of NW Iran. The granites of the region are metaluminous and display geochemical and textural characteristics of transitional granites between ferroan (A-type) and I-type granites. In… read more here.
Keywords: sirjan zone; zone iran; geochemistry; type granites ... See more keywords
The earliest Jurassic A-type granite in the Nanling Range of southeastern South China: petrogenesis and geological implications
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DOI: 10.1080/00206814.2016.1254574
Abstract: ABSTRACT The tectonic transition from the palaeo-Tethyan to palaeo-Pacific dynamic domains in the South China Block (SCB) is still a matter of debate. The A-type granites collected from the southeastern SCB offered an opportunity to… read more here.
Keywords: south china; type granite; type granites; tectonic transition ... See more keywords