山东省齐河—禹城矿集区富铁矿成矿预测
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1.山东省地质调查院;2.中国自然资源航空物探遥感中心;3.中国地质调查局天津地质调查中心;4.中国冶金地质总局山东正元地质勘查院;5.中化地质矿山总局山东地质勘查院

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P631

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地球深部探测与矿产资源勘查国家科技重大专项(2025ZD1007200)、山东省地质勘查项目(2023-2)。


Metallogenic Prediction of High-Grade Iron Ore in the Qihe–Yucheng Ore Concentration Area, Shandong Province
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1.Shandong Institute of Geological Survey;2.China Aero Geophysical Survey and Remote Sensing Center for Natural Resources;3.Tianjin Center of China Geological Survey;4.Shandong Zhengyuan Geological Exploration Institute,Shandong Ji’nan;5.Shandong Geological Prospecting Institute of China Chemical Geology,Shandong Ji’nan

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    摘要:

    山东省西部地区铁矿成矿地质条件优越,物探异常较为明显,近年来省内外地质学者在对德州—聊城超深覆盖区地球物理异常进行综合剖析的基础上,开展了矽卡岩型铁矿勘查研究工作,取得了重大找矿突破和研究进展,在齐河、禹城、高唐等地区发现了多处“深埋藏、高品位、大厚度”的富铁矿床。本文旨在通过综合分析区内勘查研究成果并开展成矿预测,以期指导区内今后矽卡岩型铁矿勘查工作。研究区矽卡岩型铁矿床的控矿要素分析表明区内铁矿体总体表现为“地层、侵入岩和构造”三者联合控矿的特征,赋矿空间主要为奥陶纪(及石炭纪—二叠纪)地层和侵入岩体接触带处、奥陶纪(及石炭纪—二叠纪)地层层间滑脱带中。以重磁异常为主的地球物理异常对深部铁矿体具有重要指示作用。在全面集成该区最新勘查研究成果的基础上,依据研究区矽卡岩型铁矿综合找矿预测模型,通过分析研究区地质特征、地球物理异常和勘查成果,对齐河—禹城矿集区进行成矿预测,圈定了李屯等5处铁矿成矿远景区(其中Ⅰ级3处、Ⅱ级2处),进一步圈定了郭店等15处铁矿找矿靶区(其中A级5处、B级3处、C级7处)以及大张等最小预测区27处(其中A类6个、B类4个、C类17个),本次成矿预测研究为今后该区铁矿勘查工作指明了方向。

    Abstract:

    The geological conditions for iron ore mineralization in the western region of Shandong Province are favorable. Distinct geophysical anomalies are observed in the study area. Major breakthroughs in prospecting and significant research progress are achieved by geologists in recent years. Several iron deposits characterized by deep burial, high grade, and large thickness have been discovered in areas such as Qihe, Yucheng, and Gaotang. Future skarn-type iron exploration in the region is aimed to be guided by comprehensive analyses of exploration results research and metallogenic prediction. Analysis of the ore?controlling factors of the skarn?type iron deposits in the study area indicates that the iron ore bodies are jointly affected by “strata, intrusive rocks, and structures”. The ore?hosting spaces are primarily located in contact zones between the Ordovician (as well as Carboniferous–Permian) strata and intrusive rock bodies, and within the interlayer detachment zones of the Ordovician (as well as Carboniferous–Permian) strata. Geophysical anomalies, particularly gravity and magnetic anomalies, serve as significant indicators for deep iron ore bodies. Based on integrating the latest exploration research results and the comprehensive prospecting model for skarn-type iron deposits in the area, metallogenic prediction was conducted for the Qihe-Yucheng ore concentration area through analyses of geological characteristics, geophysical anomalies, and exploration outcomes. A total of 5 iron metallogenic prospect areas were delineated (including 3 Class I, 2 Class II areas). Furthermore, 15 iron prospecting targets were identified (including 5 Grade A, 3 Grade B, and 7 Grade C targets). Additionally, 27 minimum prediction areas (including 6 Class A, 4 Class B, and 17 Class C minimum prediction areas). The metallogenic prediction research in this paper provides direction for future iron ore exploration in the region.

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郝兴中,胡雪平,吴成平,等. 山东省齐河—禹城矿集区富铁矿成矿预测[J]. 科学技术与工程, , ():

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  • 收稿日期:2026-07-31
  • 最后修改日期:2026-09-23
  • 录用日期:2026-09-29
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