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Main Tectonic Events and Metallogeny of the North China CratonLate Mesozoic Gold Mineralization in the North China Craton

Main Tectonic Events and Metallogeny of the North China Craton: Late Mesozoic Gold Mineralization... [The North China Craton (NCC) hosts numerous gold deposits and is known as the most gold-productive region in China. These deposits are generally sited in the cratonic margin. Main gold concentration districts include Jiaodong in the eastern margin, Xiaoqinling and Xiong’ershan in the southern margin, Jibei-Jidong, Chifeng-Chaoyang, Ji’nan, and Liaodong in the northern margin, and central Taihangshan in the central Craton. The gold deposits mostly formed within a few million years of the early Cretaceous (130–120 Ma), coeval with widespread occurrences of bimodal magmatism that marked the peak of lithospheric thinning or craton destruction of the NCC. Dehydration of the subducted and stagnant slab in the mantle transition zone has led to continuous hydration and considerable metasomatism of the mantle wedge beneath the NCC. The large-scale gold mineralization in the NCC in the early Cretaceous has genetic relation with craton destruction. The westward subduction of the west Pacific plate (Izanagi) beneath the eastern China continental margin during the Early Cretaceous has been an optimal setting for a large-scale gold mineralization throughout the NCC.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Main Tectonic Events and Metallogeny of the North China CratonLate Mesozoic Gold Mineralization in the North China Craton

Part of the Springer Geology Book Series
Editors: Zhai, Mingguo; Zhao, Yue; Zhao, Taiping

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References (74)

Publisher
Springer Singapore
Copyright
© Springer Science+Business Media Singapore 2016
ISBN
978-981-10-1063-7
Pages
511 –525
DOI
10.1007/978-981-10-1064-4_21
Publisher site
See Chapter on Publisher Site

Abstract

[The North China Craton (NCC) hosts numerous gold deposits and is known as the most gold-productive region in China. These deposits are generally sited in the cratonic margin. Main gold concentration districts include Jiaodong in the eastern margin, Xiaoqinling and Xiong’ershan in the southern margin, Jibei-Jidong, Chifeng-Chaoyang, Ji’nan, and Liaodong in the northern margin, and central Taihangshan in the central Craton. The gold deposits mostly formed within a few million years of the early Cretaceous (130–120 Ma), coeval with widespread occurrences of bimodal magmatism that marked the peak of lithospheric thinning or craton destruction of the NCC. Dehydration of the subducted and stagnant slab in the mantle transition zone has led to continuous hydration and considerable metasomatism of the mantle wedge beneath the NCC. The large-scale gold mineralization in the NCC in the early Cretaceous has genetic relation with craton destruction. The westward subduction of the west Pacific plate (Izanagi) beneath the eastern China continental margin during the Early Cretaceous has been an optimal setting for a large-scale gold mineralization throughout the NCC.]

Published: Jul 23, 2016

Keywords: Gold mineralization; Late mesozoic; Craton destruction; North China Craton

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