低植被覆盖区斑岩铜矿遥感找矿模型及其应用——以环巴尔喀什-西准噶尔成矿带为例

发布时间：2018-06-09 11:36

本文选题：遥感找矿 + 模型　；参考：《地质学报》2017年02期

【摘要】：针对遥感找矿过程中所面临的干扰因素多、地表覆盖类型多样导致的遥感找矿困难的问题,提出了低植被覆盖区斑岩铜矿"小型侵入岩体异常+线性构造异常+蚀变矿物异常"的多尺度遥感找矿模型,并系统总结了该模型的基本原理和技术流程。以环巴尔喀什-西准噶尔成矿带为研究区,分析了研究区的成矿地质背景;在遥感找矿模型的指导下,依据遥感找矿技术流程提取了研究区的岩性、构造和蚀变矿物等控矿要素;结合野外地表验证情况,综合多源数据,圈定了5处重点远景区;结合大比例尺遥感蚀变矿物填图、地质、地球物理、地球化学和探槽取样的分析结果,圈定3处遥感找矿靶区。
[Abstract]:In view of the difficulties of remote sensing prospecting caused by various types of land cover and many interference factors in the process of remote sensing prospecting, A multi-scale remote sensing ore-prospecting model for porphyry copper deposits in low vegetation cover area is presented, which is called "small intrusive rock body anomaly linear structural anomaly alteration mineral anomaly", and the basic principle and technical flow of the model are summarized systematically. Taking the Balkash-West Junggar metallogenic belt as the study area, the metallogenic geological background of the study area is analyzed, and the lithology of the study area is extracted according to the process of remote sensing prospecting under the guidance of remote sensing prospecting model. Structure and alteration minerals and other ore-controlling elements; combined with field surface verification, synthesis of multi-source data, delineation of five key scenic spots; combined with large-scale remote sensing alteration mineral mapping, geology, geophysics, Geochemical and trough sampling analysis results delineate three remote sensing prospecting targets.
【作者单位】：中国科学院遥感与数字地球研究所中科院数字地球重点实验室;中国石油勘探开发研究院;
【基金】：国家自然科学基金项目(编号41171280) 中国科学院“西部之光人才培养计划”项目国家科技支撑计划项目(编号2012BAH27B05)联合资助的成果
【分类号】：P627;P618.41

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