Spatio–temporal evolution of Mesoproterozoic magmatism in NE Australia: A hybrid tectonic model for final Nuna assembly

S. Volante,W.J. Collins,V. Barrote,A.R. Nordsvan,A. Pourteau,Z.-X. Li, J. Li, S. Beams

Precambrian Research（2022）

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摘要

•The Gidyea-structure east of the MTI reflects 1600 Ma Nuna suture in NE-Australia.•E-W, 1560–1490 Ma S-I-A-type granites reflect opening of the mantle wedge during slab rollback.•Hybrid tectonic model for Proterozoic NE Australia between fast–hard Himalayan and slow-soft Aegean collision.

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关键词

S- I- A- type granites,Monazite Sm–Nd,Slab tearing,Slab rollback,Lateral extrusion,Columbia

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