河南济源铝土矿地质特征探讨

中图分类号：P536 文献标志码：A 文章编号：2095-2945(2025)20-0118-04

DOI:10.19981/j.CN23-1581/G3.2025.20.027

Abstract:Jiyuanbauxiteminingarea islocatedatthesouthernfotoftheTaihang Mountains,closetotheYellowRiver, andhasabundantbauxiteresources.Thegeological structureofthisareaiscomplex.Thestrataincludegeologicalunitssuchas theQuaternary，Carboniferous，PermianandOrdovician.Thegroundwatersystemismainlydividedintothreewater-bearing groups.Themain magmaticrocksintheminingareaaredevelopedinthemiddebasicvoleanicrocksoftheXionger Groupin theMiddleProterozoic,theintrusiverocksoftheYanshanianperiod,andtheolivinebasaltoftheDa'anFormationintheMesoCenozoic.BauxitemainlyocursinthemiddlesectionoftheBenxiFormationoftheUpperCarboniferous System.Thethickness oftheorebodychangesgreatly.Themineralcomposionismainlybauxite，acompaniedbyassociatedmineralssuchasclay mineralsandiron-manganeseoxides.Thespatialdistributionoftheorebodyissignificantlyaffectedbytectonicmovementand thestabilityoftheminingarearequiresspecialatention.Throughthestudyofthegeologicalcharacteristicsoftheminigarea, themetallogenicmechanismandgeologicalbackgroundhavebeenrevealed,providingscientificbasisforfutureexplorationand development.

Keywords: Jiyuan； bauxite；mineralization; geological setting;metallogenic mechanism

河南济源矿区位于太行山南麓，南侧紧邻黄河，地理坐标为北纬 34∘58′～35∘08′ ，东经 112∘27′～112∘ 37′ 。（剩余6973字）