What is underneath the juvenile Ordovician Macquarie Arc (eastern Australia)? A question resolved using Silurian intrusions to sample the lower crust
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DOI: 10.1016/j.gr.2019.11.018
Abstract: Abstract The Ordovician intra-oceanic Macquarie Arc of eastern Australia collided with the eastern Gondwanan margin at ~440 Ma. However, the deep crustal architecture resulting from this assembly is poorly known. This is addressed here by a… read more here.
Keywords: macquarie arc; zircon; macquarie; eastern australia ... See more keywords
Late Triassic porphyries in the Zhongdian arc, eastern Tibet: origin and implications for Cu mineralization
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DOI: 10.1017/s0016756819000700
Abstract: Abstract Whole-rock and Sr–Nd–Pb isotopic composition data, zircon Hf isotopic data and zircon U–Pb ages were obtained for the Late Triassic porphyries in the Zhongdian arc, eastern Tibet. These porphyries are intermediate and metaluminous and… read more here.
Keywords: eastern tibet; triassic porphyries; late triassic; arc eastern ... See more keywords