Modeling of Cu-Au prospectivity in the Carajás mineral province (Brazil) through machine learning: Dealing with imbalanced training data

EMG Prado, CR de Souza Filho, EJM Carranza… - Ore Geology …, 2020 - Elsevier
Abstract Machine learning (ML) is becoming an appealing tool in various fields of Earth
Sciences, especially in mineral prospectivity map** (MPM) to support mineral exploration …

Metallogenesis of the Carajás mineral province, southern Amazon craton, Brazil: Varying styles of Archean through Paleoproterozoic to Neoproterozoic base-and …

CJ Grainger, DI Groves, FHB Tallarico, IR Fletcher - Ore Geology Reviews, 2008 - Elsevier
The Itacaiúnas Belt of the highly mineralised Carajás Mineral Province comprises ca. 2.75
Ga volcanic rocks overlain by sedimentary sequences of ca. 2.68 Ga age, that represent an …

Evolution of uranium fractionation processes through time: driving the secular variation of uranium deposit types

M Cuney - Economic Geology, 2010 - pubs.geoscienceworld.org
Uranium deposit types have evolved considerably from the Archean to the Present. The
major global drivers were (1) change of geotectonic conditions during the Late Archean,(2) …

Felsic magmatism and uranium deposits

M Cuney - Bulletin de la Société géologique de France, 2014 - pubs.geoscienceworld.org
The strongly incompatible behaviour of uranium in silicate magmas results in its
concentration in the most felsic melts and a prevalence of granites and rhyolites as primary …

Spatial and temporal zoning of hydrothermal alteration and mineralization in the Sossego iron oxide–copper–gold deposit, Carajás Mineral Province, Brazil …

LVS Monteiro, RP Xavier, ER de Carvalho… - Mineralium …, 2008 - Springer
The Sossego iron oxide–copper–gold deposit (245 Mt@ 1.1% Cu, 0.28 g/t Au) in the
Carajás Mineral Province of Brazil consists of two major groups of orebodies (Pista …

Geology and SHRIMP U-Pb geochronology of the Igarapé Bahia deposit, Carajás copper-gold belt, Brazil: An Archean (2.57 Ga) example of iron-oxide Cu-Au-(U-REE …

FHB Tallarico, BR Figueiredo, DI Groves… - Economic …, 2005 - pubs.geoscienceworld.org
A striking feature of the Carajás region, Brazil, is the clustering of a variety of different types
of Cu-Au deposits. The most abundant in the belt are the> 200 million metric tons (Mt) of Fe …

[HTML][HTML] Mineral chemistry of ore and hydrothermal alteration at the Sossego iron oxide–copper–gold deposit, Carajás Mineral Province, Brazil

LVS Monteiro, RP Xavier, MW Hitzman, C Juliani… - Ore Geology …, 2008 - Elsevier
The Sossego iron oxide–copper–gold deposit in the Carajás Mineral Province comprises
two major orebodies, Sequeirinho and Sossego. Sodic alteration (albite–hematite) and …

Neoarchean and Paleoproterozoic iron oxide-copper-gold events at the Sossego deposit, Carajás Province, Brazil: Re-Os and U-Pb geochronological evidence

CPN Moreto, LVS Monteiro, RP Xavier… - Economic …, 2015 - pubs.geoscienceworld.org
The Sossego iron oxide-copper-gold (IOCG) deposit is situated within the WNW-ESE-
trending Canaã shear zone in the southern Copper belt, Carajás province, Brazil. The …

Timing of multiple hydrothermal events in the iron oxide–copper–gold deposits of the Southern Copper Belt, Carajás Province, Brazil

CPN Moreto, LVS Monteiro, RP Xavier, RA Creaser… - Mineralium …, 2015 - Springer
Abstract The Southern Copper Belt, Carajás Province, Brazil, hosts several iron oxide–
copper–gold (IOCG) deposits, including Sossego, Cristalino, Alvo 118, Bacuri, Bacaba …

Re–Os and Pb–Pb geochronology of the Archean Salobo iron oxide copper–gold deposit, Carajás mineral province, northern Brazil

K Requia, H Stein, L Fontboté, M Chiaradia - Mineralium Deposita, 2003 - Springer
Rhenium–osmium ages were determined for two molybdenite samples and a Pb–Pb age
was derived from bornite–chalcopyrite–magnetite at the Salobo iron oxide copper–gold …