{"title":"爱沙尼亚北部下寒武统泥质沉积物中粘土矿物的成岩转化","authors":"K. Kirsimäe, V. Kalm, Per M. Jørgensen","doi":"10.3176/geol.1999.1.02","DOIUrl":null,"url":null,"abstract":". Clay mineral diagenesis in the Lower Cambrian sediments of the Lontova and Liikati formations in North Estonia, accompanying the main process of illite neoformation, was studied by means of X-ray powder diffraction. Fe-rich chlorite as well as microcrystalline quartz are typically diagenetic byproducts in the clay fraction, formed during illitization. Higher contents of kaolinite and of very fine clay subfraction (< 0.06 pm), consisting of only diagenetically formed minerals, in the silty sediments ofthe Liikati Formation are probably a result of meteoric water influx.","PeriodicalId":237994,"journal":{"name":"Proceedings of the Estonian Academy of Sciences. Geology","volume":"41 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"DIAGENETIC TRANSFORMATION OF CLAY MINERALS IN LOWER CAMBRIAN ARGILLACEOUS SEDIMENTS OF NORTH ESTONIA\",\"authors\":\"K. Kirsimäe, V. Kalm, Per M. Jørgensen\",\"doi\":\"10.3176/geol.1999.1.02\",\"DOIUrl\":null,\"url\":null,\"abstract\":\". Clay mineral diagenesis in the Lower Cambrian sediments of the Lontova and Liikati formations in North Estonia, accompanying the main process of illite neoformation, was studied by means of X-ray powder diffraction. Fe-rich chlorite as well as microcrystalline quartz are typically diagenetic byproducts in the clay fraction, formed during illitization. Higher contents of kaolinite and of very fine clay subfraction (< 0.06 pm), consisting of only diagenetically formed minerals, in the silty sediments ofthe Liikati Formation are probably a result of meteoric water influx.\",\"PeriodicalId\":237994,\"journal\":{\"name\":\"Proceedings of the Estonian Academy of Sciences. Geology\",\"volume\":\"41 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Estonian Academy of Sciences. Geology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3176/geol.1999.1.02\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Estonian Academy of Sciences. Geology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3176/geol.1999.1.02","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
DIAGENETIC TRANSFORMATION OF CLAY MINERALS IN LOWER CAMBRIAN ARGILLACEOUS SEDIMENTS OF NORTH ESTONIA
. Clay mineral diagenesis in the Lower Cambrian sediments of the Lontova and Liikati formations in North Estonia, accompanying the main process of illite neoformation, was studied by means of X-ray powder diffraction. Fe-rich chlorite as well as microcrystalline quartz are typically diagenetic byproducts in the clay fraction, formed during illitization. Higher contents of kaolinite and of very fine clay subfraction (< 0.06 pm), consisting of only diagenetically formed minerals, in the silty sediments ofthe Liikati Formation are probably a result of meteoric water influx.
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