L. A. Krinochkin
Institute of mineralogy, geochemistry and crystal chemistry of rare elements
Russian Federation

 Lev A. Krinochkin —  Dr. of Sci. (Geol.-Min.), Head
of the Department of Small-scale geochemical works; Department of Regional Geochemistry

15, Veresaeva str., Moscow 121357, Russia

tel.: +7 (495) 443-90-41, +7 (916) 968-16-44

SPIN-code: 4148-3390 

O. K. Krinochkina
Moscow State University of Civil Engineering
Russian Federation

 Olga K. Krinochkina — Cand. of Sci. (Geol.-Min.), Assoc. Prof Department of Engineering Surveys and Geoecology 

26, Yaroslavskoe highway, Moscow, 129337, Russia

tel.: +7 (985) 726-17-70

SPIN-code: 1404-5254 

V. I. Blokov
Institute of mineralogy, geochemistry and crystal  chemistry of rare elements; Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry
Russian Federation

 Vyacheslav I. Blokov — geological engineer of the 1st category of the Department of Small-scale geochemical  works, Department of Regional  Geochemistry; junior researcher, Laboratory of Ore Deposits named after Academician A.G. Betekhtin

15, Veresaeva str., Moscow, 121357, Russia

35, Staromonetny lane, Moscow, 119017, Russia

tel.: +7 (915) 233-44-53

SPIN-code: 2297-4921