引用格式：杨明桂，姚悦，熊燃，等，2023.元古代华南洋的轮廓[J].地质力学学报，29（1）：1−20.DOI：10.12090/j.issn.1006-6616.2021051Citation:YANGMG，YAOY，XIONGR，etal.，2023.TheoutlineoftheProterozoicSouthChinaOcean[J].JournalofGeomechanics，29（1）：1−20.DOI：10.12090/j.issn.1006-6616.2021051元古代华南洋的轮廓杨明桂1，姚悦2，熊燃1，王光辉1，胡青华1，徐梅桂1YANGMinggui1，YAOYue2，XIONGRan1，WANGGuanghui1，HUQinghua1，XUMeigui11.江西省地质局，江西南昌330002；2.中国地质大学（北京）能源学院，北京1000831.JiangxiBureauofGeologyandMineralResources,Nanchang330002,Jiangxi,China;2.EnergyDepartment,ChinaUniversityofGeosciences,Beijing100083,ChinaTheoutlineoftheProterozoicSouthChinaOceanAbstract:ThegeologicalcirclehasbeenstudyingtheSouthChinaOceanfor40years.Basedontheexistingstudies,thegeologicalfeaturesofthemiddleNeogeneSouthChinaOceanandrelatedgeologicalstructuresandmineralizationissueshavebeenfurtherunderstoodthroughthetopicsofRegionalGeologyofChina:Jiangxi,MineralGeologyofChina:Jiangxi,andEvolutionandMineralizationinSouthChinaOcean–MarginalPacific.ThePingxiang–Shexian–SuzhoujunctionzoneconnectstheJinshaRiver–RedRiverjunctionzonetothenorthofHenei,whichisthesubductionzoneoftheSouthChinaOceaninthemiddleNeogene.ItformedtheboundarybetweentheYangtseplateandthenewly-definedChina-SoutheastAsiaplate(referredtoastheJinshaRiver–RedRiver–Shexian–Suzhoujunctionzone),whichisnowalatitudinaltectonicbeltbendingsouthward.TheSouthChinaOceanisaMeso-NeoproterozoicoceanbetweentheYangziPaleo-plateandtheCathaysia-SoutheastAsiaPaleo-plate,closedatabout820±Ma.TheJinningmovementtookplaceduringthecollisionoftheplates,resultinginaconsolidationoftheYangtzeBlockandtheCathaysia-SoutheastAsiaBlock,wheretheyunitedintoone.TheregionhasbeenanessentialpartoftheEurasianplatesincetheIndo-Chineseperiod,andtheSouthChinaRiftSystemhadbeenformedfrom815±MainthelateNeogenetotheearlyPaleozoic.TheTethysandPaleo-PacifictectonicdomainshaveformedthegeologicaltectonicframeworkofsouthernChinaandplateaus,continents,s...
