(NwSKRY[NYE PORODY kOSTOMUK[EKOGO VELEZORUDNOGO MESTOROVDENIQ I PUTI IH ISPOLXZOWANIQ W NARODNOM HOZQJSTWE (B/s - (NpEKKI(B, (NaLEKSANDR sTEPANOWI^s; (NkAJRQK(B, (Na(B.(Ni(B.s; (NkULMALA(B, (Nt(B.(Nk(B.s; (NsOKOLOW(B, (NwLADIMIR aLEKSEEWI^s ((NpETROZAWODSK(B,s, 1983)
(NaWT(B. (NUKAZANY W SODERV(B.s
(Nw NADZAG(B.: (Nan sssr(B, (NkAREL(B. (NFIL(B., (NiN(B-(NT GEOLOGIIs
Keywords: (NvELEZORUDNYE MESTOROVDENIQ (B- (NwME]A@]IE PORODY (B- (NkAREL(B. (Nasss