Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2012 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : R7-04
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R7: Petorology, mineralogy and economic geology
Paleozoic igneous activities in south-central Mongolia
*Masaaki OwadaYasuhito OsanaiNobuhiko NakanoTatsuro AdachiKazuhiro YonemuraAya YoshimotoSereenen JargalanC. BoldbaatarMadosudan Satish-Kumar
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Abstract
The Central Asian Orogenic Belt (CAOB) resulted from amalgamation of voluminous subduction – accretionary complexes of Late Neoproterozic to Mesozoic time. Considering geology and geochemistry of the intrusive rocks, the subduction-zone and collision-zone magmatism occurred in the Hangay batholith and the Lake zone, respectively. In other words, the Hangay batholith was situated between the Siberia and North China cratons as an independent land related to a magmatic arc during Permian time.
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© 2012 Japan Association of Mineralogical Sciences
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