摘要
黑龙江多宝山—霍龙门地区发育明显的NW向韧性剪切构造,铜钼金矿的产出主要受此区域构造带控制。通过研究,提出研究区在早古生代存在NW向造山带。主要证据:NW向延展的早—中奥陶世岛弧火山-沉积岩系、同期I型花岗岩组合、褶断系及弧形构造带,是上述洋陆转换、俯冲增生造山阶段的重要证据;区内典型的多宝山铜钼矿床、铜山铜矿床、争光金矿床等空间上呈NW向分布、成因上与NW向造山带密切相关。综合分析认为,多宝山—霍龙门地区早古生代发育NW向造山带,是古亚洲洋分支洋盆的板块俯冲-碰撞造山的产物。该区早古生代NW向造山带具有重要的控岩控矿意义。
NE-trending ductile shear structure was developed in Duobaoshan-Huolongmen area,Heilongjiang Province.The output of copper-molybdenum-gold deposit is mainly controlled by the tectonic belt in this area.Through research,this paper proposes that there exists a NW trending early Paleozoic orogenic belt in the study area.The main evidences of the propose are:First,there exist important evidences of the ocean-continental conversion,subduction,hyperplasia and orogeny stages such as:land arc volcano-sedimentary rock series that extending northwest,contemporaneous I-type granite assemblages,fold fault system and arc tectonic belt;Second,the typical Duobaoshan copper-molybdenum deposit,Tongshan copper deposit and Zhengguangyan gold deposit are all distributed in the NW trending which obviously related to the NW trending orogenic belt.The NW trending orogenic belt formed in early Paleozoic in the Duobaoshan-Huolongmen area,according to comprehensive analysis,is the product of subduction and collision of the plate in the oceanic subduction basin of the paleo-asia,has important significance in controlling rocks and ores.
作者
杨福深
李成禄
石国明
赵超
尹国良
符安宗
屈扬
YANG Fushen;LI Chenglu;SHI Guoming;ZHAO Chao;YIN Guoliang;FU Anzong;QU Yang(Heilongjiang General Institute of Geological Survey and Research,Harbin 150036,Heilongjiang,China)
出处
《矿产与地质》
2019年第2期191-202,共12页
Mineral Resources and Geology
基金
黑龙江省国土科研项目(黑国土科研201603)
中国地质调查局区域地质矿产调查项目(DD20160047-07)
黑龙江省地质矿产局地质科研项目(黑地矿科研2018-01)共同资助
关键词
NW向造山带
控岩控矿
早古生代
多宝山-霍龙门地区
NW orogenic belt
controlling rock and ore
early Paleozoic
Duobaoshan-Huolongmen area
