RUDN Journal of Engineering ResearchRUDN Journal of Engineering Research2312-81432312-8151Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)4767Research ArticleSome aspects of sediment transformation during phosphate ores of Okhino-Khubsugul basin are originatingGeorgievskiyA FEngineering faculty, department of ore depositsmdf.rudn@mail.ruKarelinaE VEngineering faculty, department of ore depositsmdf.rudn@mail.ruBuginaV MEngineering faculty, department of ore depositsmdf.rudn@mail.ruMarkovV EEngineering faculty, department of ore depositsmdf.rudn@mail.ruPeoples’ Friendship University of Russia15042014412913607092016Copyright © 2014,2014Special characteristics of original precipitates which influenced on lithologic properties of Okhino-Khubsugul phosphorites are shown. Their cyclic phosphatization is fixed.aphanitic phosphoritesmicroconcretionsorganic materialsulfate-reductionphosphatizationфосфориты слойковые «афанитовые»микроконкрецииорганическое веществосульфат-редукцияфосфатизация