| 金矿测年方法讨论及定年中存在的问题 |
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| 引用本文： | 魏俊浩,刘丛强,刘国春. 金矿测年方法讨论及定年中存在的问题[J]. 地学前缘, 2003, 10(2): 319-326 |
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| 作者姓名： | 魏俊浩 刘丛强 刘国春 |
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| 作者单位： | 中国科学院,地球化学研究所,贵州,贵阳,550002;中国地质大学,资源学院,湖北,武汉,430074;中国科学院,地球化学研究所,贵州,贵阳,550002 |
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| 基金项目： | 国家“九五”攀登计划预选项目 ( 95预 3 9),杰出青年基金项目 ( 0 4962 5 3 0 4) |
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| 摘 要： | 准确的成岩成矿年代测定是矿床研究和对比的基础。然而近几年来 ,不同的研究者对同一矿床采用不同的定年方法得出了相差十分悬殊的成岩成矿年龄的报道屡见不鲜。为此笔者在分析了不同定年方法适用性的同时 ,强调了在金矿定年中要加强对金矿成岩成矿地质背景的研究 ,重视不同地质体与成矿的先后关系 ,确定标志性地质体 ,选择合适的定年方法 ,测定标志性地质体和矿体的成岩成矿年代 ,使成岩成矿年代互为限定 ,得到高质量的年代学数据。
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| 关 键 词： | 成岩成矿年代 同位素 标志性地质体 金矿床 |
| 文章编号： | 1005-2321(2003)02-0319-08 |
| 修稿时间： | 2002-12-09 |
METHOD OF DATING OF GOLD DEPOSIT AND THE RELATED PROBLEMS |
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| WEI Jun|hao ,,LIU Cong|qiang ,LIU Guo|chun. METHOD OF DATING OF GOLD DEPOSIT AND THE RELATED PROBLEMS[J]. Earth Science Frontiers, 2003, 10(2): 319-326 |
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| Authors: | WEI Jun|hao LIU Cong|qiang LIU Guo|chun |
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| Affiliation: | WEI Jun|hao 1,2,LIU Cong|qiang 2,LIU Guo|chun 3 |
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| Abstract: | Accurate dating of diagenesis and metallogency is the base for deposit research and contrast. However, in recent years, the reports of great disparity ages of diagenesis and metallogency for the same gold deposit by different researchers and by using different dating methods are very common. For this reason, based on the suitable analysis for distinct dating methods, the authors emphasize that in the dating of gold deposit one should strengthen the study of geological setting of gold mineralization, pay attention to the time sequence relation of different geological bodies to metallogency, define the marked geological body, select suitable dating methods, measure the ages of marked geological body and ore body, and confine each other within certain limit for diagenesis and metallogency ages, in order to obtain high quality chronological data. |
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| Keywords: | diagenetic and metallogenic age isotope marked geological body gold deposit |
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