References: |
- Deposit:: 1. KLEPPER, M.R. AND DEQUECH, VITOR(1945)MINERAL DEPOSITS OF THE TERRITORY OF AMAPA, BRAZIL: ALLUVIAL GOLD, CASSITERITE AND COLUMBITE-TANTALITE IN THE AMAPARI RIVER REGION, U.S. GEOLOGICAL SURVEY OPEN FILE REPORT, WASH. D.C.
- Deposit:: KLEPPER, M.R. AND DEQUECH, VITOR(1945),MINERAL DEPOSITS OF THE TERRITORY OF AMAPA, BRAZIL; GOLD, TANTALITE AND DIAMONDS NEAR VILA SANTA MARIA, U.S. GEOLOGICAL SURVEY, OPEN FILE REPORT, WASH. D.C.
- Deposit:: DEQUECH, VITOR AND KLEPPER, M.R.(1946), ESTANHO, OURO , TANTALITA E DIAMANTES NO TERRITORIO DE AMAPA: DIV. DE FOMENTO DA PRODUCAO MINERAL, BOLETIM 79, P.89-113.
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