The origin of mafic rocks in the Naqadeh intrusive complex, Sanandaj-Sirjan Zone, NW Iran
作者： Seyed Ali Mazhari , Sadraldin Amini , Jalil Ghalamghash , Fernando Bea
DOI: 10.1007/S12517-010-0142-1
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摘要: The Naqadeh mafic plutonic rocks are located on a assemblage and include different granitoid related to ∼40 Ma. U-Pb SHRIMP data shows ages of 96 ± 2.3 Ma for rocks. consist diorite diorite-gabbros with relatively high contents incompatible elements, low Na2O, \( {\hbox{Mg\# }} = \left[ {{\hbox{molar}}\;{100} \times {\hbox{MgO/}}\left( {{\hbox{MgO}} + {\hbox{FeO}}} \right)} \right] > 44.0 \). These features suggest that the originate from enriched lithospheric mantle above subducted slab during Neotethys subduction under Iranian plate.
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