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Mafic dike–granitoid associations are common in extensional tectonic settings and provide important opportunities for understanding mantle and crust melting during the tectonic evolution of host orogenic belts. We report results of petrologic, whole rock geochemical, Sr–Nd isotopic data and in situ zircon U–Pb and Hf isotopes for a mafic dike–granitoid association from the Zhongyangchang pluton in...
The Khoy metamorphic complex (KMC) consists of metabasite, metagranite and some metasediments, which are overlain by the Oligo-Miocene Qom formation. Because there are no reliable stratigraphic sequences or isotope dating data available, discordant ages for the formation and tectonic setting of the KMC have been proposed by many studies. For example, various studies have suggested a Jurassic age,...
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