黑龙江小兴安岭地区早白垩世浅成低温热液型金矿成矿规律及找矿前景研究

Metallogenic regularity and prospecting prospect of Early Cretaceous epithermal gold deposits in the Lesser Xing’an Range,Heilongjiang Province

黑龙江省小兴安岭地区经历了多期、复杂的地质作用形成了超常富集的金及多金属成矿系统,尤以浅成低温热液型金矿最为发育,但由于研究区构造运动复杂,岩浆活动频繁等影响,导致该区浅成低温热液金矿系统的成矿作用、成矿规律及成岩成矿动力学背景等地质问题没有得到有效解决,本论文在前人研究成果基础上,系统探讨了该区矿床成因、成矿机理及成矿规律,并对东北地区该类矿床成矿潜力及找矿方向进行了系统分析和研究。

Lesser Xing’an Range area has experienced multi-stage and complex geological processes,forming a super enriched gold and polymetallic metallogenic system,especially the epithermal gold deposit.However,due to the complex tectonic movement and frequent magmatic activities in the study area,the geological problems such as mineralization,metallogenic regularity and dynamic background of diagenesis and mineralization have not been effectively solved.Based on the previous research results,this paper systematically discusses the genesis,metallogenic mechanism and metallogenic regularity,and systematically analyzes the metallogenic potential and prospecting direction in Northeast China.