| Reference | {Deposit:: THE BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON}{Deposit:: NOTHOLD, A.J.G., 1979: THE ECONOMIC GEOLOGY AND DEVELOPMENT OF IGNEOUS PHOSPHATE DEPOSITS IN EUROPE AND THE USSR, ECONOMIC GEOLOGY, VOL.74, NO.2, P.339-350}{Deposit:: PHOSPHORUS & POTASSIUM, NO.102, JULY/AUG. 1979, P.16-20, LONDON}{Deposit:: KHARLAMOV, Y.S., 1981: ORIGIN OF THE CARBONATITES OF THE KOVDOR DEPOSIT, INTERNATIONAL GEOLOGY REVIEW, VOL.23, NO.8, P.865-880}{Deposit:: SMIRNOV, V.I., (EDITOR), 1977: ORE DEPOSITS OF THE USSR, VOL.1,- RUSSIAN ORIGINAL 1974; ENGLISH EDITION 1977, PITMAN PUBLISHING CO. S.A. JOHANNESBURG, SOUTH AFRICA}{Deposit:: ONOKHIN, F.M., 1981: THE KHIBINA APATITE-NEPHELIN DEPOSIT; IN: MINERAL DEPOSITS OF THE KOLA PENINSULA (RUSSIAN), GARBUNOV, G.J.,(EDITOR), LENINGRAD, 1981} |