隐伏岩浆型铜镍矿空—地—井协同勘查技术体系

doi:10.11720/wtyht.2022.1562

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摘要

近年来我国能源及矿产资源需求旺盛,覆盖区找矿已成为热点,急需有针对性的新方法技术解决覆盖区勘查找矿问题。本文提出一种针对覆盖区找岩浆型铜镍矿的空—地—井协同快速找矿方法技术体系,并建立了针对隐伏岩浆型铜镍矿的深部矿产资源空—地—井协同快速有效勘查技术体系的架构及说明。该技术体系以覆盖区的地形、地质和深部矿产资源分布特点为前提条件,以综合航空地球物理为主、协同地面—井中地球物理探测方法为手段,以大数据融合、弱信息提取、地球物理-地质建模方法为重点,以地质构造和成矿理论为指导。该技术体系在新疆若羌县启鑫地区隐伏岩浆型铜镍矿床勘查中得到验证,并取得较好的应用效果。

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	黄旭钊
	范正国
	何敬梓
	葛藤菲
	王思浔
	满毅
	王鹏
	李军
	王恒

关键词 ：岩浆型铜镍矿, 空—地—井协同勘查, 组织协同, 技术协同, 技术体系

Abstract：

In recent years, prospecting in coverage areas has become an important topic in China due to the strong demand for energy and mineral resources, and there is an urgent need for new targeted methods and technologies of prospecting. This study put forward a technology system for the collaborative and rapid prospecting of copper-nickel deposits in coverage areas that combines airborne-ground-borehole prospecting methods and technologies. Meanwhile, this study established the framework and description of the collaborative, rapid, and effective exploration technology system. Taking the terrain and geology of coverage areas, as well as the distribution characteristics of deep mineral resources in the area as preconditions, this technology system mainly uses the methods of aero geophysics combined with ground and borehole geophysical exploration and focuses on big data fusion, weak information extraction, and geophysical-geological modeling methods. Meanwhile, it takes geological structure and metallogenic theory as guidance. This technical system has been verified in the exploration of the concealed magmatic copper-nickel deposit in the Qixin area, Ruoqiang County, Xinjiang, achieving positive results.

Key words： magmatic copper-nickel deposits collaborative airborne-ground-borehole geophysical exploration organizational collaboration technical collaboration technology system

收稿日期: 2021-10-14 修回日期: 2021-12-24 出版日期: 2022-06-20

ZTFLH:

P632

基金资助:国家重点研发计划项目(2017YFC0602206);中国地质调查局项目“秦岭及天山等重点成矿区带航空物探调查”(DD20160066);“秦岭—大别造山带航空物探遥感调查”(DD20190551)

作者简介: 黄旭钊(1962-),女,硕士,教授级高级工程师,长期从事航空物探综合解释工作。Email: huangxz@agrs.cn

引用本文:

黄旭钊, 范正国, 何敬梓, 葛藤菲, 王思浔, 满毅, 王鹏, 李军, 王恒. 隐伏岩浆型铜镍矿空—地—井协同勘查技术体系[J]. 物探与化探, 2022, 46(3): 597-607.
HUANG Xu-Zhao, FAN Zheng-Guo, HE Jing-Zi, GE Teng-Fei, WANG Si-Xun, MAN Yi, WANG Peng, LI Jun, WANG Heng. A collaborative airborne, ground, and borehole exploration technology system for concealed magmatic copper-nickel deposits. Geophysical and Geochemical Exploration, 2022, 46(3): 597-607.

链接本文:

https://www.wutanyuhuatan.com/CN/10.11720/wtyht.2022.1562 或 https://www.wutanyuhuatan.com/CN/Y2022/V46/I3/597

Fig.1 岩浆型铜镍矿快速协同勘查技术体系流程

Fig.2 东天山—北山地区大地构造和基性-超基性岩体分布(a)(据文献[21]修编)及区域位置(b)(据文献[22]修编)

Fig.3 启鑫远景区部分成果图件
a—航磁ΔT立体阴影图;b—航磁垂向梯度立体阴影图;c—航磁垂向分量立体阴影图;d—航空电磁TEM第0道立体阴影图;e—航空伽马能谱总道立体阴影图;f—推断岩性构造图,白色框为启北找矿有利区范围;1—推断超基性侵入岩;2—推断以负磁场为特征的基性侵入岩;3—推断以正磁场为特征的基性侵入岩;4—推断橄榄苏长岩、辉石橄长岩、辉长辉绿岩;5—推断弱磁性橄榄辉长岩;6—推断闪长岩;7—推断二叠纪酸性侵入岩;8—推断二叠系红柳河组;9—推断石炭系干墩组;10—推断古元古界敦煌岩群;11—推断断裂

Fig.4 启北找矿靶区综合物探成果
a—地磁ΔT等值线平面图;b—剩余重力等值线平面图;c—视电阻率等值线平面图;d—视极化率等值线平面图

Fig.5 3D地球物理反演源数据

Fig.6 4950剖面所在截面视密度(a)、视磁化率(b)及其断面融合分类结果(c)

Table 1 4950剖面所在截面视磁化率与视密度融合分类

Fig.7 启鑫勘查区4线综合剖面成果

Fig.8 启鑫勘查区ZK4-2孔测井曲线

Fig.9 启鑫杂岩体三维地质模型

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