Geology, geochemistry and Sr–Nd constraints of selected metavolcanic rocks from the eastern boundary of the Saharan Metacraton, southern Sudan : a possible revision of the eastern boundary

M.A. Ibinoof,A.J. Bumby,G.H. Grantham, E.M. Abdelrahman,P.G. Eriksson,P.J. le Roux

Precambrian Research（2016）

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摘要

•Abutulu low-grade terrane lies west of the medium-grade gneiss of the Nuba Mountains, Sudan.•This terrane is of Neoproterozoic age 778±90Ma.•It is considered as remnants of a continental back-arc basin.•The high-grade rocks of the Saharan Metacraton must lie further west.

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关键词

Saharan Metacraton,Arabian Nubian Shield,Ophiolite,Metavolcanics,Neoproterozoic

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