Metallogenesis of superlarge gold deposits in Jiaodong region and deep processes of subcontinental lithosphere beneath North China Craton in Mesozoic

Xinhua Zhou*, Jinhui Yang, Lianchang Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)

Abstract

The study of ore-forming chronology indicates that the superlarge gold deposits in the Jiaodong region were formed in 120±10 Ma. Sr-Nd-Pb isotopic compositions from typical gold deposits suggest that ore-forming materials were derived from the multisources, mantle component was partly involved in mineralization, the deep dynamic processes are the major geological background of large-scale metallogenesis in the Jiaodong region in Mesozoic. The deep processes mainly include the effect of post deep-subduction of continental crust of the central orogen belt and the distant effect of subduction of the paleo-Pacific plate underneath the Eurasian continent. However, lithosphere thinning, crust-mantle interaction, crustal extension and formation of large-type ore-controlling structures would be the comprehensive consequences of the abovementioned geodynamic processes in the region.

Original languageEnglish
Pages (from-to)14-25
Number of pages12
JournalScience in China, Series D: Earth Sciences
Volume46
Issue numberSUPPL
Publication statusPublished - Mar 2003
Externally publishedYes

Keywords

  • Deep-process in Mesozoic
  • Jiadong region
  • Lithospheric thinning
  • Superlarge gold deposit

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