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首页> 外文期刊>International journal of applied environmental sciences >Petrography and Geochemistry of Urf suite from Aqaba complex, Southern Jordan
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Petrography and Geochemistry of Urf suite from Aqaba complex, Southern Jordan

机译:Petrography and Geochemistry of Urf suite from Aqaba complex, Southern Jordan

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摘要

The Aqaba complex located at the south-eastern of Jordan, exposes coexisting mafic-felsic association typical of syn- to pre-plate collision magmatism. The bulk of the pluton is made of quartz monzonite, granite and granodiorite. New U-Pb zircon dating revealed a synchronous emplacement of the granite (605 ± 4.6 and 617 ± 3.7 Ma), granodiorite (613 ± 4.4, 612 ± 3.6 and 611.8 ± 4.9 Ma) and quartz monzonite (608 ± 5.4 Ma). The whole-rock geochemistry indicate that the source for the quartz monzonite, granite and granodiorites could have been a continental arc-derived from mantle sources and mature metagreywackes. Melting of this crustal material was subduction related , which could have been an enriched mantle-derived melt contaminated . The Aqaba complex is a part of a the Arabian-Nubian Shield (ANS) are juvenile in character, Neoproterozoic, including in addition five large plutonic suites; Rahma, Darba, Rumman,Urf and Yutum suite. The genesis of these suites were likely induced by mantle-derived magma in the shallow crust while their spatially and temporally discrete emplacement at shallow levels was probably related to the (extensional) of lithospheric boundaries, which represent a feasible fertile source for such granitoids.

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