Doi:W.2023.0508Sep.,2023ETMINERALOCICAACTAPETROLOCICA2023年9月石Vol.42,No.5:701~710志杂矿学物岩第42卷第5期察尔汗盐湖晒卤过程中和元素富集规律研究王超,孙小虹12,丁晓姜1,2,周友连12,王淑丽1,2,王凡1，2马骏辉,刘万平2（1.中化地质矿山总局地质研究院，北京100101；2.青海盐湖工业股份有限公司，青海格尔木816000)摘要：通过对察尔汗盐湖I、ⅡI号采区盐田中卤水及固体进行系统采样和分析，发现卤水中的主微量元素在盐田摊晒过程中显示出不同程度的富集，除成盐外，还存在类质同象、母液夹带等现象。其中，和艳元素的富集规律与光卤石析出存在一定的关联。XRD和TOF-SIMS分析结果显示，与钾呈现出更强的正相关性，与钠呈现出负相关性，表明元素与钾元素存在类质同象现象。元素与钾元素的类质同象现象则不明显，可能主要通过母液夹带的方式进入盐样中。该研究揭示了卤水中和元素的富集规律和赋存形式，对盐湖和资源综合利用开发具有一定的借鉴意义。关键词：察尔汗盐湖；光卤石；；；类质同象中图分类号：P618.7；P619.21*1文献标识码：A文章编号：1000-6524(2023)05-0701-10ResearchontheenrichmentregularityofrubidiumandcesiuminQarhanSaltLakeWANGChao',SUNXiao-hong*2,DINGXiao-jiang'2,ZHOUYou-lian'*-2,WANGShu-li-2,WANGFan'-2,MAJun-hui'andLIUWan-ping(1.GeologyInstituteofChinaChemicalGeologyandMineBureau,Beijing100101,China;2.QinghaiSaltLakeIndustryCo.,Ltd.,Golmud816000,China)Abstract:ThroughsystematicsamplingandanalysisofbrineandsolidsinthesaltfieldsofminingareasIandIIofQarhanSaltLake,itisfoundthatthemainandtraceelementsinthebrineshowdifferentdegreesofenrichmentintheprocessofspreadinginthesaltfields.Inadditiontosaltformation,therearealsoisomorphism,motherliq-uorentrainmentandotherphenomena.Amongthem,theenrichmentruleofrubidiumandcesiumelementsisrelat-edtotheprecipitationofcarnallite.TheXRDandTOF-SIMSanalysisresultsshowthatrubidiumexhibitsastrongerpositivecorrelationwithpotassiumandanegativecorrelationwithsodium,indicatingtheexistenceofisomorphismbetweenrubidiumandpotassiumelements.Thephenomenonofisomorphismbetweencesiumandpotassiumele-mentsisnotobvious,anditmaymainlyenterthesaltsamplethroughmotherliquorentrainment.Thisresearchre-vealstheenrichm...
