收藏本站
收藏 | 手机打开
二维码
手机客户端打开本文

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

周新华  杨进辉  张连昌  
【摘要】:正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 above-mentioned geodynamic processes in the region.

知网文化
【相似文献】
中国重要会议论文全文数据库 前10条
1 周新华;杨进辉;张连昌;;Metallogenesis of superlarge gold deposits in Jiaodong region and deep processes of subcontinental lithosphere beneath North China Craton in Mesozoic[A];中国科学院地质与地球物理研究所二○○三学术论文汇编·第一卷(地球动力学)[C];2003年
2 Simon A.Wilde;Elena Belousova;William L.Griffin;;Mesozoic decratonization of the North China block[A];中国科学院地质与地球物理研究所2008学术论文汇编[C];2009年
3 ;Geochemistry of Mesozoic Basalts and Mafic Dikes,Southeastern North China Craton,and Tectonic Implications[A];中国科学院地质与地球物理研究所2002学术论文摘要汇编[C];2002年
4 ;Mesozoic lithosphere destruction beneath the North China Craton:evidence from major-,trace-element and Sr-Nd-Pb isotope studies of Fangcheng basalts[A];中国科学院地质与地球物理研究所2002学术论文摘要汇编[C];2002年
5 陈斌;翟明国;邵济安;;Petrogenesis and significance of the Mesozoic North Taihang complex:Major and trace element evidence[A];中国科学院地质与地球物理研究所二○○三学术论文汇编·第一卷(地球动力学)[C];2003年
6 ;Gold mineralization age of the Anjiayingzi gold deposit in Chifeng County,Inner Mongolia and implications for Mesozoic metallogenic explosion in North China[A];中国科学院地质与地球物理研究所二○○四学术论文汇编·第二卷(青藏高原·岩石圈)[C];2004年
7 Sun-Lin Chung;Tung-Yi Lee;Da-Jen Wen;;Mesozoic high-Ba-Sr granitoids from North China:geochemical characteristics and geological implications[A];中国科学院地质与地球物理研究所二○○三学术论文汇编·第五卷(矿产资源与水资源)[C];2003年
8 ;Secular evolution of the lithosphere beneath the eastern North China Craton:Evidence from Mesozoic basalts and high-Mg andesites[A];中国科学院地质与地球物理研究所二○○三学术论文汇编·第一卷(地球动力学)[C];2003年
9 ;Late Mesozoic extensional tectonics in the North China Block:a crustal response to subcontinental mantle removal?[A];中国科学院地质与地球物理研究所2006年论文摘要集[C];2007年
10 ;Geochemical characteristics and petrogenesis of Mesozoic basalts from the North China Craton:A case study in Fuxin,Liaoning Province[A];中国科学院地质与地球物理研究所二○○三学术论文汇编·第一卷(地球动力学)[C];2003年
中国知网广告投放
 快捷付款方式  订购知网充值卡  订购热线  帮助中心
  • 400-819-9993
  • 010-62982499
  • 010-62783978