TY JOUR TI Uranium even isotopes in kimberlites, enclosing and overburden rocks of the Zolotitskoye ore field (Arkhangelsk diamondiferous province) KW Non-equilibrium uranium KW kimberlites KW alpha-activity KW isotope fractionation KW geochemical indicators JO Russian Journal of Earth Sciences AU Kiselev, G.P. AU Yakovlev, E.Y. AU Druzhinin, S.V. AU Zykov, S.B. AU Bykov, V.M. AU Ocheretenko, A.~. PY 2018 IS 18 PB Geophysical Center of the Russian Academy of Sciences