摘要
ThispaperdiscussestheRb-Srgeochemicalbehaviourofillitesinthesedimentaryprocess,andpointsoutthatillitesofthelmdandlmtypescouldreachSr-isotopicequilibriumwithitsenvironmentalmediumduringthesedimentaryprocessandinitialstageofdiagenesis,andillitegrainsofdifferentsizeshavevariousRbcontents.Anewdatingmethodforsedimentaryrocks----adatingmodelofillitegrainRb-Srisochron----isestablished,inconsiderationofthegeochemicalprocessofSr-isotopichomogenizationanddifferentiationinthecourseoftheirformationandevolution.Inaddition,thepaperconcernstheapplicationofthedatingmodeltothePrecambrianunmetamorphosedsedimentaryrocksinwesternHenanProvince,whichgivessatisfactoryresultscoincidentwiththegeologicalfacts.
出版日期
1989年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
