近十几年来构造地球化学研究进展及其矿产勘查应用现状
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1.中南大学有色金属成矿预测与地质环境监测教育部重点实验室;2.中南大学地球科学与信息物理学院

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国家重点研发计划项目(2023YFC2906802)、广西华锡矿业有限公司科学技术项目(HXYS030305202307002)、湖南省重点研发计划项目(2023SK2006)、国家自然科学基金重点项目(42130810)联合资助。


Research progress and exploration application of Tectono-geochemistry in the recent decade
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1.Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring,Ministry of Education,Central South University;2.School of Geosciences and Info-Physics,Central South University

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    摘要:

    在深部找矿需求的大背景下,构造地球化学相较于土壤、岩石地球化学在隐伏矿预测上具有天然优势,引起国内外学者研究兴趣。本文通过对构造地球化学概念、理论研究进展和勘查应用成效进行归纳总结,获得以下认识:1)构造地球化学是探求构造动力与地球化学物质间内在联系的新兴交叉学科,研究物质组分在构造作用过程中的行为和结果;2)构造作用控制着地质空间中物质活化的物理化学性质,驱动着构造流体中物质的迁移,最终导致元素的分异与富集;3)围绕“构造驱动地球化学作用”、“地球化学诱发构造变形”、“地球化学动力学过程模拟”方面的构造地球化学研究进展明显,但“动力学机制”仍需进一步加强探索研究;4)构造地球化学勘查应用的工作流程包括构造解析、构造采样、元素组合统计学分析、异常解译、成矿模型构建以及靶区圈定;5)构造地球化学在矿床勘查方面的应用成效显著,包括Cu、Au、Pb、Zn、Ag、Mo、Sb、Sn等多金属矿床,国外学者倾向于成矿机制和成矿模型研究,而国内学者聚焦于矿体的深部预测与靶区圈定。此外,丰富深部、三维、多介质取样,在数据分析上借助大数据和机器学习方法,短波红外印证矿体空间分布等,均属构造地球化学勘查未来的发展趋向,研究潜力巨大,应用前景广阔。

    Abstract:

    On the background of the demand for deep mineral exploration, tectono-geochemistry has distinct advantages over soil and rock geochemistry in predicting hidden minerals, which has aroused the research interest of domestic and foreign scholars. This article summarizes the research progress on concepts and theories as well as exploration application results of tectono-geochemistry, leading to the following understandings: 1) Tectono-geochemistry is an emerging interdisciplinary subject that explores the intrinsic relationship between tectonic dynamics and geochemical substances and studies the behavior and results of material components in tectonic processes. 2) Tectonic action controls the physical and chemical properties of material activation in geological space, drives the migration of materials in tectonic fluids, and ultimately leads to the differentiation and enrichment of elements. 3) Tectono-geochemistry has made significant research progress in terms of "Tectonically driven geochemistry," "geochemically induced structural deformation," and "geochemical dynamic process simulation," but the "dynamic mechanism" still needs further exploration. 4) The workflow of tectono-geochemistry exploration applications includes structural analysis, structural sampling, statistical analysis of element combinations, anomaly interpretation, mineralization model construction, and target area delineation. 5) The application of tectono-geochemistry in ore deposit exploration has achieved remarkable results, including polymetallic deposits of Cu, Au, Pb, Zn, Ag, Mo, Sb, Sn, etc. Foreign scholars tend to study the mineralization mechanisms and mineralization models, while Chinese scholars focus on deep predictions and target area delineation of ore bodies. In addition, the rich deep-seated, three-dimensional, and multi-media sampling, the application of big data and machine learning methods in data analysis, and the verification of ore body spatial distribution by short-wave infrared are all future development trends of tectono-geochemistry exploration, with great research potential and broad application prospects.

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  • 收稿日期:2024-09-10
  • 最后修改日期:2024-12-05
  • 录用日期:2024-12-16
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