Primary pseudo-single and single-domain magnetite inclusions in quartzite cobbles of the Jack Hills (Western Australia): implications for the Hadean geodynamo
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چکیده
منابع مشابه
Metamorphic replacement of mineral inclusions in detrital zircon from Jack Hills , Australia : Implications for the Hadean Earth
We appreciate that Rasmussen et al. (2011) have characterized a large number of inclusions in Jack Hills (Australia) detrital zircons, but we fi nd two signifi cant fl aws in their paper: one of scholarship and one of omission. With regard to the fi rst, their paper implies discovery of reset isotopic systems in phosphate inclusions in Jack Hills zircons. This was previously discussed by Caro e...
متن کاملPervasive remagnetization of detrital zircon host rocks in the Jack Hills, Western Australia and implications for records of the early geodynamo
Article history: Received 11 May 2015 Received in revised form 29 July 2015 Accepted 30 July 2015 Available online xxxx Editor: B. Buffett
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Sm–Nd and Sm–Nd systematics were investigated in garnet inclusions in diamonds from Finsch (S. Africa) and Hadean zircons from Jack Hills (W. Australia) to assess the potential of these systems as recorders of early Earth evolution. The study of Finsch inclusions was conducted on a composite sample of 50 peridotitic pyropes with a Nd model age of 3.3 Ga. Analysis of the Jack Hills zircons was p...
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ژورنال
عنوان ژورنال: Geophysical Journal International
سال: 2018
ISSN: 0956-540X,1365-246X
DOI: 10.1093/gji/ggy446