Matches in SemOpenAlex for { <https://semopenalex.org/work/W4313593390> ?p ?o ?g. }
- W4313593390 endingPage "106998" @default.
- W4313593390 startingPage "106998" @default.
- W4313593390 abstract "Meta-granites in the Tutak metamorphic Complex (TMC) preserve crucial information about the Late Neoproterozoic tectonic history of the Sanandaj-Sirjan Zone, Iran. This paper employs comprehensive zircon UPb geochronology, whole-rock geochemistry, and zircon LuHf isotopic data to elucidate the protolith, tectonic setting, and evolutionary history of these rocks. Late Neoproterozoic zircon UPb ages of ca. 575 Ma are taken as the crystallization age for the protolith to the meta-granites, which are intruded by leucogranite with a zircon UPb age of 543 Ma. Zircon trace element data indicate that the grains have the late magmatic signature extracted from continental crust mafic zircons under oxidizing conditions. The meta-granites have a pronounced high-K-alkaline, peraluminous S-type signature. The meta-granites have zircon ɛHf(t) ranging from −4.2 to +2.3 and the TDMC model ages from 1.3 Ga to 1.7 Ga, suggesting the involvement of Paleoproterozoic crust. The geochemical data indicate that granitic melts in the Sanandaj-Sirjan Zone were produced via partial melting of lower crustal igneous crustal rocks (i.e., amphibolite) and sedimentary sources (i.e., metapelite). Based on the data (e.g., negative anomalies of BaNb and enrichments of Rb-Th-Ce and U/Yb, Nb/Yb ratios in zircon), they have been formed in a post-collisional setting related to the convergence of peri-Gondwana terranes and Iranian continental fragments." @default.
- W4313593390 created "2023-01-06" @default.
- W4313593390 creator A5024788787 @default.
- W4313593390 creator A5025232374 @default.
- W4313593390 creator A5027925945 @default.
- W4313593390 creator A5034204828 @default.
- W4313593390 creator A5056674934 @default.
- W4313593390 creator A5065258490 @default.
- W4313593390 date "2023-02-01" @default.
- W4313593390 modified "2023-09-26" @default.
- W4313593390 title "Zircon U Pb geochronology and Lu Hf isotope geochemistry constraints on Neoproterozoic S-type meta-granites from the Tutak area, Sanandaj-Sirjan Zone, Iran" @default.
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