文章摘要
刘洋,徐飞,柯国秋,尹志超.地-井五方位TEM在新疆东天山月牙湾铜镍矿床勘查中的应用[J].矿产勘查,2023,14(9):1676-1682
地-井五方位TEM在新疆东天山月牙湾铜镍矿床勘查中的应用
Application of five-direction borehole TEM in the exploration of Yueyawan copper-nickel deposit in East Tianshan, Xinjiang
投稿时间:2023-05-19  修订日期:2023-08-18
DOI:10.20008/j.kckc.202309014
中文关键词: 地-井五方位瞬变电磁法  铜镍矿床  月牙湾  东天山
英文关键词: five-direction borehole TEM  copper-nickel deposits  Yueyawan  East Tianshan
基金项目:本文受国家重点研发计划“北方增生造山成矿系统的深部结构与成矿过程”专题“卡拉塔格矿集区VSM型成矿系统三维地质结构与矿体定位”(2017YFC0601201-2)资助。
作者单位邮编
刘洋 中色杰泰地球物理科技(北京)有限公司 100012
徐飞 中色杰泰地球物理科技(北京)有限公司 100012
柯国秋 中色杰泰地球物理科技(北京)有限公司 100012
尹志超 中色杰泰地球物理科技(北京)有限公司 100012
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中文摘要:
      月牙湾铜镍矿床具有典型的“三高一低”(高磁、高重、低阻、高极化)异常组合特征,以往地面物探工作取得了较好的找矿效果,但受限于此区所处的低电阻率背景,存在探测深度小或者深部分辨率不足的问题。为了解矿体在深部的延伸情况,本文选择在见矿钻孔中开展地-井五方位TEM探测试验,与地面测深方法相比有较好的异常细节。试验结果表明,地-井五方位TEM方法在井旁盲矿探测、矿体延伸推断均有较好的应用效果,值得在后续地质勘查中推广应用。
英文摘要:
      The Yueyawan copper-nickel deposit is characterized by a typical combination of "three high and one low" (high magnetic, high weight, low resistivity and high polarization) anomalies. Previous ground geophysical exploration has achieved good prospecting results, but limited by the low resistivity background in this area, there are problems such as small exploration depth or insufficient deep resolution. In order to understand the extension of the ore body in the deep, this paper chooses to carry out the ground-well TEM detection test in the ore-finding borehole, which has better abnormal details compared with the surface method. The test results also show that the ground-well TEM method has good application effect in blind mine detection and orebody extension inference, and is worthy of popularization and application in subsequent geological exploration.
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