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 , .. AU , .. AU , .. AU , .. AU , .. AU , .. PY 2018 IS 18 PB Геофизический центр Российской Академии Наук