Mine detail: Mutun Deposit

Previously called 'Serrania De MutunSerrania De San JuanMorro De Jacadigo BrazilSerra De JacadigoCerro MutunFortin Mutun'

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Location

Lat / long: -19.21425, -57.89926

Resource(M)

Primary: Iron
Tertiary: Manganese
Ore: Goethite, Hausmannite, Hematite
Orebody form: BEDDED
Discovery year: 1894

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
Production years: 1971-1972
First production started: 1971
Last production ended: 1972

Geology

Host rock:Santa Cruz Formation (Jacadigo Group)
Host type:Siltstone,Volcanic Breccia (Agglomerate)
Structure:Reg.Struct: Gentle Ne-Sw Folding, With Ne And Nw Faulting, Synclinal Erosional Remnants
Tectonic:West Margin Of Brazilian Shield. Narrow, Fjord-Like Basin
Alteration processes:Low-Grade Metamorphism Altered Cryptomelane To Hausmannite; Weathered To Canga.

References

MRDSW002072
DEP10068814
Reference{Deposit:: AHLFELD F., AND SCHNEIDER-SCHERBINA, 1964, LOS YACIMIENTOS MINERALES Y DE HIDROCARBUROS DE BOLIVIA: DNG, BOL. 5, P. 43-49}{Deposit:: DORR, J.V.N. II, 1945, U.S.G.S. BULL. 946A.}{Deposit:: ALMEIDA, F.F.M., 1945, GEOL DE SW MATOGROSSENSE, DNPM BULL. 116, BRAZIL}{Deposit:: GERMAN GEOL. COMMISSION REPORT, 1960-1965, BOL. GEOLOGICAL SURVEY}{Deposit:: WEISS, M.P. AND SWEET, W.C., 1959, STRATIGRAPHY AND STRUCTURE OF THE MUTUN MOUNTAINS, DEPARTMENT OF SANTA CRUZ, BOLIVIA: INTERNATIONAL GEOLOGICAL CONGRESS, 20TH (MEXICO), SECTION 13, P. 399-434.}{Deposit:: *ONNOR, E.A., 1985, TRANSACTIONS IMM, V. 94, P. A178-A179.}{Deposit:: URBAN, H, AND STRIBRNY, B., 1986, THE GEOLOGY AND GENESIS OF THE IRON AND MANGANESE DEPOSITS OF THE URUCUM DISTRICT, MATO GROSSO DO SUL, BRAZIL: ZENTRALBLATT GEOL. PALAONT, TEIL I, 1985, HEFT 9/10, P. 1515-1527.}{Deposit:: 1945 GEOLMAP DORR, J.V.N. II, USGS BULL. 946A FOR MORRO DO URUCUM, CORUMBA, BRAZIL}{Other Database:: CIMRI}{Production:: USBM MINERALS YEARBOOK 1971, P. 147; 1972, P. 151; 1973, P. 157, AND SUBSEQUENT YEARS.}{Reserve-Resource:: *ONNOR (1985) P. A179; USBM YEARBOOK 1967, P. 132.}
ReporterIrving, Earl M., Cooper, Margaret (Shaffer, Glenn L.)