| Reference | {Deposit:: ANSTETT,T.F., BLEIWAS,D.F., AND HURDELBRINK,R.J., 1985, TUNGSTEN AVAILABILI KTY - MARKET ECONOMY COUNTRIES, U.S. BUREAU OF MINES, INFORMATION CIRCULAR 9025 , 51P.}{Deposit:: HAUGHTON,S.H., FROMMURZE,H.F., GEVERS,T.W., SCHWELLNUS,C.M., AND ROUSSOUW,P .J., 1939, THE GEOLOGY AND MINERAL DEPOSITS OF THE OMARURU AREA, SOUTH WEST AFR ICA - AN EXPLANATION OF SHEET NO. 71; UNION OF SOUTH AFRICA, GEOLOGICAL SURVEY, 160P.}{Deposit:: ELLIS,M.W. AND STEVENS,C., THE MINERAL INDUSTRY OF THE TERRITORY OF SOUTH-W EST AFRICA, U.S. BUREAU OF MINES, MINERALS YEARBOOK, 1978-79, VOL. III, AREA RE PORTS: INTERNATIONAL, P. 850.}{Deposit:: R.F. STEVENS, JR., 1972, U.S. BUREAU OF MINES, MINERALS YEARBOOK, 1972, VOL . 1., METALS, MINERALS AND FUELS, P. 1,256.}{Production:: PC1: (RF1)} |