黄铁矿Re-Os同位素定年在金属矿床研究中的应用  

Applications of age dating of the Re-Os system of pyrite to study on metal deposits

作　　者：李重阳 陈雪 LI Chongyang;CHEN Xue(No.1 Exploration Institute of Geology and Mineral Resources, Henan Provincile Bureau of Geo-exploration and Mineral Depvelopment, Luoyang 471023, Henan, China;Key Laboratory of Au-Ag-Polymetallic Deposit Series and Deep-seated Metallogenic Prognosis of Henan Province, Luoyang 471023, Henan, China)

机构地区：[1]河南省地质矿产勘查开发局第一地质矿产调查院,河南洛阳471023 [2]河南省金银多金属成矿系列与深部预测重点实验室,河南洛阳471023

出　　处：《地质找矿论丛》2020年第2期138-144,共7页Contributions to Geology and Mineral Resources Research

基　　金：河南省地质矿产勘查开发局青年科技创新项目(豫地矿青科创[2020]3号);河南省科技攻关项目(编号202102310290);河南省自然资源厅科技攻关项目(豫国土资函[2016]106号-01,豫国土资发[2018]98号-03)联合资助。

摘　　要：黄铁矿是地壳分布最为广泛的金属矿物,其Re-Os同位素体系在金属矿床成矿年代和示踪成矿物质来源研究中具有重要地质意义。文章简述了Re-Os同位素体系成矿定年和示踪成矿物质来源的基本原理,综述了近些年黄铁矿Re-Os同位素体系在金属矿床研究应用中取得的成果;认为该方法具有测试样品易选择、测试方法多样性等特征,但该方法目前尚存在黄铁矿样品选择的多样性、测试标样不成熟和分析结果误差较大等不足之处,有待进一步研究。Pyrite is the most widely distributed crustal metallic mineral.Its Re-Os isotopic system is significant geologically to determine the ore-forming age and trace ore material sources.This paper describes the basic principle of age-dating and the ore material tracing of the Re-Os isotopic system and reviews the recent achievements of pyrite Re-Os isotopic system application to study on metal deposits.The Re-Os isotopic system is characterized by easy selection of the test sample and diversity of test methods.However,the defact is diversity of sample selection of pyrtie and impaturity of the test sample and bigger erro of the analytical result thus should be furtherly improved.

关 键 词：RE-OS同位素体系 黄铁矿 金属矿床 成矿年代 示踪成矿物质来源 研究应用 

分 类 号：P597[天文地球—地球化学]