ISSN 1006-3021 CN11-3474/P
Published bimonthly started in 1979
中甸弧碰撞造山作用和岩浆成矿系统
  修订日期:2001-07-30
关键词:island arc  collision orogenics  magmatic hydrothermal deposit  Zhongdian arc
基金项目:原地质矿产部“九五”攻关项目“义敦岛弧带构造演化与多金属矿产成矿规律研究”项目(950200104)
作者单位
杨岳清 中国地质科学院矿产资源研究所北京100037 
侯增谦 中国地质科学院矿产资源研究所北京100037 
黄典豪 中国地质科学院矿产资源研究所北京100037 
曲晓明 中国地质科学院矿产资源研究所北京100037 
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摘要:
Collision Orogenic Process and Magmatic Metallogenic System in Zhongdian Arc
      The Zhongdian arc is located at the southern end of Yidun island arc in the Sanjing tectono magmatic zone. Its evolution involved ocean crust subduction orogeny (210~235 Ma), continental block collision (80~88 Ma) and convergence orogenics of continental margins (28 Ma). Supergene porphyrites and porphyries were formed in the process of subduction orogeny. Porphyry type deposits, skarn type deposits and supergene low temperature hydrothermal deposits are closely related to magmatic intrusion of porphyrites and porphyries. I type biotite granites and related Mo W deposits of quartz vein type and altered granite type were formed during continental block collision orogenics. Anatectic syenites and related Au deposits were formed in convergence orogenics of continental margins. Diversities of magma types and mineralzations demonstrate that there exist wide prospects in search for mineral deposits in Zhongdian arc.
YANG Yue-qing,HOU Zeng-qian,HUANG Dian-hao,QU Xiao-ming.2002.Collision Orogenic Process and Magmatic Metallogenic System in Zhongdian Arc[J].Acta Geoscientica Sinica,23(1):17-24.
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