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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Gondwana Research
Article . 2016 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Gondwana Research
Article . 2016
Data sources: u:cris
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Age of the Siberian craton crust beneath the northern kimberlite fields: Insights to the craton evolution

Insights to the craton evolution
Authors: Sergey I. Kostrovitsky; Sergey Yu. Skuzovatov; Dmitry A. Yakovlev; Jing Sun; Lutz Nasdala; Fu-Yuan Wu;

Age of the Siberian craton crust beneath the northern kimberlite fields: Insights to the craton evolution

Abstract

Abstract Comprehensive studies of zircon xenocrysts from kimberlites of the Kuoika field (northeastern Siberian craton) and several kimberlite fields of the eastern Anabar shield, along with data compilation on the age of kimberlite-hosting terranes, reveal details of the evolution of the northern Siberian craton. The age distribution and trace element characteristic of zircons from the Kuoika field kimberlites (Birekte terrane) provide evidence of significant basic and alkaline–carbonatite magmatism in northern Siberia in the Paleozoic and Mesozoic periods. The abundance of 1.8–2.1 Ga zircons in both the Birekte and adjacent Hapchan terranes (the latter hosting kimberlites of the eastern Anabar shield) supports the Paleoproterozoic assembly and stabilization of these units in the Siberian craton and the supercontinent Columbia. The abundance of Archean zircons in the Hapchan terrane reflects the input of an ancient source other than the Birekte terrane and addresses the evolution of the terrane to west (Magan and Daldyn terranes of the Anabar shield). The present study has also revealed the oldest known remnant of the Anabar shield crust, whose 3.62 Ga age is similar to that of another ancient domain of Siberia, the Aldan shield. The first Hf isotope data for the Anabar shield coupled with the U–Pb systematics indicate three stages of crustal growth (Paleoproterozoic, Neoarchean and Paleoarchean) and two stages of the intensive crustal recycling in the Paleoproterozoic and Neoarchean. Intensive reworking of the existing crust at 2.5–2.8 Ga and 1.8–2.1 Ga is interpreted to provide evidence for the assembly of Columbia. The oldest Hf model age estimation provides a link to Early Eoarchean (3.7–3.95 Ga) and possibly to Hadean crust. Hence, some of the Archean cratonic segments of the Siberian craton could be remnants of the Earth's earliest continental crust.

Country
Austria
Related Organizations
Keywords

RE-OS, 105127 Geochronologie, SHARYZHALGAY-UPLIFT, 105116 Mineralogy, Terranes, U-PB AGE, NATURAL REFERENCE MATERIAL, U-Pb age, Hf isotopes, CONTINENTAL-CRUST, LU-HF, 104026 Spektroskopie, 105116 Mineralogie, Siberian craton, GRANULITE XENOLITHS, HF ISOTOPE COMPOSITION, 104026 Spectroscopy, Cratonic crust, TRACE-ELEMENT, LITHOSPHERIC MANTLE, Zircons, 105127 Geochronology, Terranes Cratonic crust

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
42
Top 10%
Top 10%
Top 10%
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