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https://hdl.handle.net/2440/16491
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Type: | Journal article |
Title: | Detrital zircon provenance constraints on the evolution of the Harts Range Metamorphic Complex (central Australia): links to the Centralian Superbasin |
Author: | Buick, I. Hand, M. Williams, I. Mawby, J. Miller, J. Nicoll, R. |
Citation: | Journal of the Geological Society, 2005; 162(Part 5):777-787 |
Publisher: | Geological Soc Publ House |
Issue Date: | 2005 |
ISSN: | 0016-7649 2041-479X |
Statement of Responsibility: | Ian S. Buick, Martin Hand, Ian S. Williams, Jo Mawby, Jodie A. Miller & Robert S. Nicoll |
Abstract: | Until recently it has been widely accepted that protoliths to metasediments of the Harts Range Metamorphic Complex (central Australia) were deposited prior to c. 1.75 Ga and form part of the Palaeoproterozoic Arunta Inlier. However, new sensitive high-resolution ion microprobe U–Pb analyses of detrital zircon, together with recently published data, suggest that they were deposited coeval with c. 545–520 Ma sediments from the adjacent, little metamorphosed Neoproterozoic to Palaeozoic Centralian Superbasin. Protoliths of the Harts Range Metamorphic Complex were deposited in the Irindina sub-basin, an early- to mid-Cambrian rift located between the present-day Amadeus and Georgina Basin remnants of the Centralian Superbasin. Deposition occurred during a widespread and long-lived interval of extension in parts of central Australia associated with eruption of the voluminous Kalkarinji Continental Flood Basalts. The Harts Range Metamorphic Complex was metamorphosed to upper amphibolite- to granulite-facies conditions within c. 40 Ma of deposition of its sedimentary protoliths. |
Keywords: | SHRIMP zircon provenance central Australia metamorphism tectonics |
Description: | Copyright © 2005 Geological Society of London |
DOI: | 10.1144/0016-764904-044 |
Published version: | http://dx.doi.org/10.1144/0016-764904-044 |
Appears in Collections: | Aurora harvest 6 Earth and Environmental Sciences publications Environment Institute publications |
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