云南省大坪金矿控矿构造特征与找矿方向研究

发布时间：2018-08-19 20:11

【摘要】：哀牢山金成矿带是我国最重要的喜马拉雅期金成矿带之一,大坪金矿是该成矿带内最具代表性的金矿床。本文在介绍该矿床地质特征的基础上,以矿田控矿构造解析、矿产勘查及成矿预测等相关理论与方法为主要手段,对大坪金矿区的地质构造格局、主要金矿带控矿构造类型及性质、主矿体空间几何形态及延伸特征、金矿体空间分布特征等开展综合调查及研究工作。研究认为小新街断裂为矿床的主要导矿构造,在小新街断裂左行走滑作用影响下形成的次级断裂系统为主要的储矿构造。在此基础上建立构造控矿模式,指出主要矿带深部及外围找矿方向及空间,为深部找矿验证提供科学依据。
[Abstract]:Ailaoshan gold metallogenic belt is one of the most important Himalayan gold metallogenic belts in China. Daping gold deposit is the most representative gold deposit in this metallogenic belt. Based on the introduction of the geological characteristics of the deposit, the geological structure pattern of the Daping gold deposit is studied by taking the related theories and methods of ore-controlling structure analysis, mineral exploration and metallogenic prediction as the main means. Comprehensive investigation and research work has been carried out on the types and properties of ore-controlling structures in the main gold belt, the spatial geometry and extension characteristics of the main orebodies, and the spatial distribution characteristics of the gold orebodies. It is considered that the Xiaoxinjie fault is the main ore-conducting structure of the deposit, and the secondary fault system formed under the influence of the left strike-slip of the Xiaoxinjie fault is the main ore-reserving structure. On this basis, the tectonic ore-controlling model is established, and the direction and space of prospecting in the deep and outer parts of the main ore belt are pointed out, which provides a scientific basis for the verification of deep prospecting.
【作者单位】：中国地质大学地质过程与矿产资源国家重点实验室;中国地质大学地球科学与资源学院;云南省元阳县华西黄金有限公司;
【基金】：国家重点研发计划(2016YFC0600509)
【分类号】：P618.51

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