00509naa#a2200181#i#450# EN\\bibl\46978 20240519225632.7 1681-1208 20081225b2008####ek#y0engy0150####ca RU Native iron in Miocene sediments Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2008 10 с. Journal article local Pechersky D M Nurgaliev D K Trubikhin V M rjes.ru