| Reference | {Deposit:: WILLIG, C.D., AND DELGADO, J., 1985, SOUTH AMERICA AS A SOURCE OF TUNGSTEN, PAPER PRESENTED AT THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, SPAIN, 36 P.}{Deposit:: VALENZUELA, S.R., 1979, GEOLOGY OF THE MAIN WOLFRAM MINES IN BOLIVIA, PRIMARY TUNGSTEN ASSOCIATION, BULLETIN NO. 6, FEB. 1979, P. 8.}{Deposit:: AHLFELD, F., AND SCHNEIDER-SCHERBINA, A., 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DEPARTAMENTO NACIONAL DE GEOLOGIA BOLETIN 5, P. 139-141.}{Deposit:: CLARK, A.H., AND FARRAR, E., 1973, THE BOLIVIAN TIN PROVINCE: NOTES ON THE AVAILABLE GEOCHRONOLOGICAL DATA, ECONOMIC GEOLOGY, VOL. 68, NO. 1, P. 102-106.}{Deposit:: WILLIG, C.D., AND DELGADO, J., 1985, SOUTH AMERICA AS A SOURCE OF TUNGSTEN, IN MPR PUBLISHING SERVICES LTD., (ED.), TUNGSTEN: 1985, PROCEEDINGS OF THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, MAY, 1985, P. 58-85.}{Deposit:: TURNEAURE, F.S. AND WALKER, K.K., 1947, THE ORE DEPOSITS OF THE EASTERN ANDES OF BOLIVIA, THE CORDILLERA REAL, ECONOMIC GEOLOGY, VOL. 42, NO. 7, P. 595-625.}{Deposit:: GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA}{Production:: ANNUAL ITEMS 1 TO 5: WILLIG, C.D., 1985, P. 24. ANNUAL ITEMS 6 TO 8: GUSTAVSON ASSOC. (1992). CUM ITEM 1: VALENZUELA, S.R., 1979, P. 8. CUM ITEM 2: AHLFELD AND SCHNEIDER-SCHERBINA (1964), P. 141. CUM ITEMS 3-4: MINISTRY OF MINES.} |