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Mesozoic Large‐scale Mineralization and Multiple Lithospheric Extensions in South China

Mesozoic Large‐scale Mineralization and Multiple Lithospheric Extensions in South China Abstract South China is the most important polymetallic (tungsten, tin, bismuth, copper, silver, antimony, mercury, rare metals, heavy rare earth elements, gold and lead‐zinc) province in China. This paper describes the basic characteristics of Mesozoic large‐scale mineralization in South China. The large‐scale mineralization mainly took place in three intervals: 170–150 Ma, 140–126 Ma and 110–80 Ma. Among these the first stage is mainly marked by copper, lead‐zinc and tungsten mineralization and the third stage is mainly characterized by tin, gold, silver and uranium mineralization. The stage of 140–126 Ma mainly characterized by tungsten and tin mineralization is a transitional interval from the first to the third stage. In light of the current research results of the regional tectonic evolution it is proposed that the large‐scale mineralization in the three stages is related to post‐collision between the South China block and the North China block, transfer of the principal stress‐field of tectonic regimes from N‐S to E‐W direction, and multiple back‐arc lithospheric extensions caused by subduction of the Paleo‐Pacific plate. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Geologica Sinica (English Edition) Wiley

Mesozoic Large‐scale Mineralization and Multiple Lithospheric Extensions in South China

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References (91)

Publisher
Wiley
Copyright
2006 Geological Society of China
ISSN
1000-9515
eISSN
1755-6724
DOI
10.1111/j.1755-6724.2006.tb00259.x
Publisher site
See Article on Publisher Site

Abstract

Abstract South China is the most important polymetallic (tungsten, tin, bismuth, copper, silver, antimony, mercury, rare metals, heavy rare earth elements, gold and lead‐zinc) province in China. This paper describes the basic characteristics of Mesozoic large‐scale mineralization in South China. The large‐scale mineralization mainly took place in three intervals: 170–150 Ma, 140–126 Ma and 110–80 Ma. Among these the first stage is mainly marked by copper, lead‐zinc and tungsten mineralization and the third stage is mainly characterized by tin, gold, silver and uranium mineralization. The stage of 140–126 Ma mainly characterized by tungsten and tin mineralization is a transitional interval from the first to the third stage. In light of the current research results of the regional tectonic evolution it is proposed that the large‐scale mineralization in the three stages is related to post‐collision between the South China block and the North China block, transfer of the principal stress‐field of tectonic regimes from N‐S to E‐W direction, and multiple back‐arc lithospheric extensions caused by subduction of the Paleo‐Pacific plate.

Journal

Acta Geologica Sinica (English Edition)Wiley

Published: Jun 1, 2006

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