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Journal Article

Polysomatic intergrowths between amphiboles and non-classical pyriboles in magnetite: Smallest-scale features recording a protracted geological history

Yuri Tatiana Campo Rodriguez, Cristiana L. Ciobanu, Ashley Slattery, Nigel J. Cook, Maria Emilia Schutesky, Kathy Ehrig, Samuel A. King, Jie Yao
Published: 01 October 2024
American Mineralogist (2024) 109 (10): 1798–1818.
DOI: https://doi.org/10.2138/am-2023-9188
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Computer-assisted regional-residual gravity anomaly separation with regularized first- and second-order derivatives

Carlos Alberto Mendonça
Journal: Geophysics
Published: 05 August 2024
Geophysics (2024) 89 (5): F97–F107.
DOI: https://doi.org/10.1190/geo2023-0546.1
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The Hydrothermal Evolution of the Alvo Açaí Cu (Au, Mo) Skarn Deposit, Carajás Province, Brazil

Kamila G. Fernandes, Roberto P. Xavier, Carolina P.N. Moreto, Gustavo H.C. Melo, Adrian J. Boyce
Journal: Economic Geology
Published: 01 March 2023
Economic Geology (2023) 118 (2): 459–483.
DOI: https://doi.org/10.5382/econgeo.4977
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Magnetic Petrology of Crust- and Mantle-Derived Mesoarchean Ourilândia Granitoids, Carajás Mineral Province, Brazil

Aline C. do Nascimento, Davis C. de Oliveira, Luciano R. da Silva, Raquel Sacramento
Published: 19 August 2022
The Canadian Mineralogist (2022) 60 (4): 597–624.
DOI: https://doi.org/10.3749/canmin.2100026
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Convolutional equivalent layer for magnetic data processing

Diego Takahashi, Vanderlei C. Oliveira Jr., Valéria C. F. Barbosa
Journal: Geophysics
Published: 20 July 2022
Geophysics (2022) 87 (5): E291–E306.
DOI: https://doi.org/10.1190/geo2021-0599.1
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The Inachoididae spider crabs (Crustacea, Brachyura) from the Neogene of the tropical Americas

Daniel Lima, Orangel Aguilera, Marcos Tavares
Published: 01 March 2022
Journal of Paleontology (2022) 96 (2): 334–354.
DOI: https://doi.org/10.1017/jpa.2021.91
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Naldrettite (Pd 2 Sb): A new find in Brazil and comparison with worldwide occurrences

Giorgio Garuti, Federica Zaccarini
Published: 13 December 2021
The Canadian Mineralogist (2021) 59 (6): 1801–1820.
DOI: https://doi.org/10.3749/canmin.2000121
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The effects of post-cumulus alteration on the distribution of chalcophile elements in magmatic sulfide deposits and implications for the formation of low-S-high-PGE zones: The Luanga deposit, Carajás Mineral Province, Brazil

Eduardo Mansur, Sarah-Jane Barnes, Cesar F. Ferreira Filho
Published: 13 December 2021
The Canadian Mineralogist (2021) 59 (6): 1453–1484.
DOI: https://doi.org/10.3749/canmin.2100018
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A paradigm shift in magnetic data interpretation: Increased value through magnetization inversions

Yaoguo Li, Jiajia Sun, Shu-Ling Li, Marcelo Leão-Santos
Journal: The Leading Edge
Published: 01 February 2021
The Leading Edge (2021) 40 (2): 89–98.
DOI: https://doi.org/10.1190/tle40020089.1
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Convolutional equivalent layer for gravity data processing

Diego Takahashi, Vanderlei C. Oliveira Jr., Valéria C. F. Barbosa
Journal: Geophysics
Published: 09 November 2020
Geophysics (2020) 85 (6): G129–G141.
DOI: https://doi.org/10.1190/geo2019-0826.1
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Poisson magnetization-to-density-ratio and magnetization inclination properties of banded iron formations of the Carajás mineral province from processing airborne gravity and magnetic data

Caio Alencar de Matos, Carlos Alberto Mendonça
Journal: Geophysics
Published: 24 July 2020
Geophysics (2020) 85 (5): K1–K11.
DOI: https://doi.org/10.1190/geo2019-0421.1
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Improving the crosscorrelation method to estimate the total magnetization direction vector of isolated sources: A space-domain approach for unstable inclination values

Nelson Ribeiro-Filho, Rodrigo Bijani, Cosme Ponte-Neto
Journal: Geophysics
Published: 05 June 2020
Geophysics (2020) 85 (4): J59–J70.
DOI: https://doi.org/10.1190/geo2019-0008.1
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Subspace method for solving large-scale equivalent layer and density mapping problems

Carlos A. Mendonça
Journal: Geophysics
Published: 23 March 2020
Geophysics (2020) 85 (3): G57–G68.
DOI: https://doi.org/10.1190/geo2019-0302.1
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Electrical resistivity contrasts in the geotechnical assessment of iron caves, N4EN mine, Carajás, Brazil

Marcelo Roberto Barbosa, Marco Antonio Braga, Maria Filipa Perez da Gama, Rafael Guimarães de Paula, Iuri Viana Brandi, Leonardo Santana de Oliveira Dias
Journal: Geophysics
Published: 06 December 2019
Geophysics (2020) 85 (1): B1–B7.
DOI: https://doi.org/10.1190/geo2019-0218.1
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Textures and Chemical Compositions of Magnetite from Iron Oxide Copper-Gold (IOCG) and Kiruna-Type Iron Oxide-Apatite (IOA) Deposits and Their Implications for Ore Genesis and Magnetite Classification Schemes

Xiao-Wen Huang, Georges Beaudoin
Journal: Economic Geology
Published: 01 August 2019
Economic Geology (2019) 114 (5): 953–979.
DOI: https://doi.org/10.5382/econgeo.4651
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Magnetization clustering inversion — Part 2: Assessing the uncertainty of recovered magnetization directions

Jiajia Sun, Yaoguo Li
Journal: Geophysics
Published: 05 June 2019
Geophysics (2019) 84 (4): J17–J29.
DOI: https://doi.org/10.1190/geo2018-0480.1
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Tracing Fluid Sources for the Salobo and Igarapé Bahia Deposits: Implications for the Genesis of the Iron Oxide Copper-Gold Deposits in the Carajás Province, Brazil

Gustavo H.C. de Melo, Lena V.S. Monteiro, Roberto P. Xavier, Carolina P.N. Moreto, Erika Santiago
Journal: Economic Geology
Published: 01 June 2019
Economic Geology (2019) 114 (4): 697–718.
DOI: https://doi.org/10.5382/econgeo.4659
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Geochemical mapping and estimation of background concentrations in soils of Carajás mineral province, eastern Amazonian Craton, Brazil

Gabriel Negreiros Salomão, Roberto Dall'Agnol, Rômulo S. Angélica, Marco Aurélio Figueiredo, Prafulla K. Sahoo, Carlos A. de Medeiros Filho, Marlene F. da Costa
Published: 24 April 2019
Geochemistry: Exploration, Environment, Analysis (2019) 19 (4): 431–447.
DOI: https://doi.org/10.1144/geochem2018-066
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Multistage Evolution of the Neoarchean (ca. 2.7 Ga) Igarapé Cinzento (GT-46) Iron Oxide Copper-Gold Deposit, Cinzento Shear Zone, Carajás Province, Brazil

Poliana Iara de Freitas Toledo, Carolina Penteado Natividade Moreto, Roberto Perez Xavier, Jianfeng Gao, José Henrique da Silva Nogueira de Matos, Gustavo Henrique Coelho de Melo
Journal: Economic Geology
Published: 01 February 2019
Economic Geology (2019) 114 (1): 1–34.
DOI: https://doi.org/10.5382/econgeo.2019.4617
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Hydrothermal Alteration, Fluid Evolution, and Re-Os Geochronology of the Grota Funda Iron Oxide Copper-Gold Deposit, Carajás Province (Pará State), Brazil

R.B. Hunger, R.P. Xavier, C.P.N. Moreto, Jian-Feng Gao
Journal: Economic Geology
Published: 01 December 2018
Economic Geology (2018) 113 (8): 1769–1794.
DOI: https://doi.org/10.5382/econgeo.2018.4612
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