河北地质大学学报2025，Vol.48Issue(1)：17-24,8.DOI:10.13937/j.cnki.hbdzdxxb.2025.01.002
太行山北段岭东金矿地质特征及成因探讨
Geological Characteristics and Genesis of Lingdong Gold Mine in Northern Part of Taihang Mountains
摘要
Abstract
Lingdong gold mine is located in the northwest margin of polymetallic metallogenic belt in the northern part of Taihang Mountains,at the intersection of the NNE-trending Zijingguan deep fault zone and the NNW trending fault zone.In recent years,cryptoexplosive breccia type gold deposits and porphyry type gold orebody have been discovered in Lingdong gold mining area.The lack of research on the genesis of the deposit restricts the improvement of the scale of the deposit.The investigation shows that the Lingdong gold deposit has developed fault structure and cryptoexplosion breccia structure,intense magmatic activity,strong silicification and pyritization,and the surrounding rock of the orebody is cryptoexplosion breccia and granite porphyry.Zircon U-Pb chronology of granite-porphyry and porphyritic monzonitic granite shows that the ore-forming fluid age is 125～129 Ma,which is later than the Yixingzhai gold mine(141±1 Ma)in Shanxi Province.The genesis of the deposit is similar to that of Yixingzhai gold mine,and it is closely related to multi-stage tectonic-magmatic activity.The early type of Lingdong gold deposit is post-magmatic hydrothermal quartz vein-altered rock type,the late type is cryptoexplosive breccia type,and the deep type is porphyry type gold deposit.关键词
太行山北段/岭东/金矿/地质特征/矿床成因Key words
The northern section of Taihang Mountains/Ling-dong/gold ore/geologic feature/genesis of mineral deposit分类
地质学引用本文复制引用
许立风,王璐阳,蔡毅,王志敏,王丰翔,孙欣宇..太行山北段岭东金矿地质特征及成因探讨[J].河北地质大学学报,2025,48(1):17-24,8.基金项目
河北省地矿局地质科技项目(13000024P00329410271U) （13000024P00329410271U）
河北自然资源厅地质勘查项目(13000023P00F2D4102525) （13000023P00F2D4102525）
河北省自然资源厅科研项目(Z2024044) （Z2024044）
