河南濟(jì)源鋁土礦地質(zhì)特征探討

中圖分類號：P536 文獻(xiàn)標(biāo)志碼：A 文章編號：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

河南濟(jì)源礦區(qū)位于太行山南麓，南側(cè)緊鄰黃河，地理坐標(biāo)為北緯 34°58′～35°08′ ，東經(jīng) 112°27′～112° 37′ 。（剩余6973字）