| Reference | {Deposit:: VENEZUELAN GEOLOGICAL SURVEY (MINISTERIO DE ENERGIA Y MINAS).}{Deposit:: BELLIZZIA, G.A., 1973, MINERAL RESOURCE MAP OF VENEZUELA, ISSUED DURING II GEOL. CONG. FOR LATIN AMERICA, CARACAS, VENEZUELA.}{Deposit:: SIDDER, G.B., 1989, MINERAL OCCURRENCES IN THE GUIANA SHIELD, VENEZUELA: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 90-16, 28 P., 1 OVER-SIZE MAP.} |