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cobalt

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Journal Article

In situ chemical and isotopic analyses and element mapping of multiple-generation pyrite: Evidence of episodic gold mobilization and deposition for the Qiucun epithermal gold deposit in Southeast China

Ying Ma, Shao-Yong Jiang, Hartwig E. Frimmel, Lü-Yun Zhu
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1133–1148.
DOI: https://doi.org/10.2138/am-2022-8030
.... ( 2011 ) An experimental study of cobalt (II) complexation in Cl – and H 2 S-bearing hydrothermal solutions . Geochimica et Cosmochimica Acta , 75 , 4065 – 4079 . Morey , A.A. , Tomkins , A.G. , Bierlein , F.P. , Weinberg , R.F. , and Davidson , G.J. ( 2008 ) Bimodal...
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Guite, the spinel-structured Co 2+ Co 3+ 2 O 4 , a new mineral from the Sicomines copper–cobalt mine, Democratic Republic of Congo

Zhilan Lei, Xinghai Chen, Jianxiong Wang, Yingchun Huang, Fangfang Du, Zier Yan
Published: 21 March 2022
Mineralogical Magazine (2022) 86 (2): 346–353.
DOI: https://doi.org/10.1180/mgm.2022.27
...Zhilan Lei; Xinghai Chen; Jianxiong Wang; Yingchun Huang; Fangfang Du; Zier Yan Abstract Guite (IMA2017-080), Co 3 O 4 , is a new mineral species and an important economic mineral found in the Sicomines copper-cobalt mine, located ~11 km southwest of Kolwezi City, Democratic Republic of Congo...
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Geochemistry of natural acid rock drainage in the Mt Evans area, Anaconda–Pintler Range, Montana, USA

C. H. Gammons, M. F. Doolittle, K. A. Eastman, S. R. Poulson
Published: 12 November 2021
Geochemistry: Exploration, Environment, Analysis (2021) 21 (4): geochem2021-068.
DOI: https://doi.org/10.1144/geochem2021-068
... l −1 ), nickel (240  μ g l −1 ), copper (129  μ g l −1 ), cobalt (63  μ g l −1 ), molybdenum (10.5  μ g l −1 ), and cadmium (1.9  μ g l −1 ). Copper concentrations are highest in the Red Fork of Twin Lakes Creek, whereas concentrations of rare-earth elements (REEs...
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Occurrence and probable source of chromium enrichment in Permian coals, South Africa

N.J. Wagner, M.L. Mokwena, A. Kolker
Published: 01 September 2021
South African Journal of Geology (2021) 124 (3): 611–626.
DOI: https://doi.org/10.25131/sajg.124.0013
...N.J. Wagner; M.L. Mokwena; A. Kolker Abstract The trace element data pool for South African coals is limited. However, certain elements are reported as occurring in considerably higher concentrations than global average values. These elements include chromium (Cr), as well as manganese (Mn), cobalt...
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Application of the C-N fractal model, factor analysis and geochemical mineralization probability index (GMPI) for delineating geochemical anomalies related to a Mn-Fe deposit and associated Cu mineralization in west-central Sinai, Egypt

Hossam A. Helba, Ahmed M. El-Makky, Khalil I. Khalil
Published: 22 July 2021
Geochemistry: Exploration, Environment, Analysis (2021) 21 (3): geochem2021-031.
DOI: https://doi.org/10.1144/geochem2021-031
... and Mn mineralization sites may be suggested. Cobalt, Zn, Pb and Cd are suggested as efficient pathfinder elements for marine Mn deposits. A dispersion sequence of Cd>Mn>Co>Pb>Zn>Cu>Cr>Fe was proposed based on the threshold distribution patterns of these elements. Supplementary...
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The Influence of the Magmatic to Postmagmatic Evolution of the Parent Rock on the Co Deportment in Lateritic Systems: The Example of the Santa Fé Ni-Co Deposit (Brazil)

F. Putzolu, L. Santoro, C. Porto, N. Mondillo, M. Machado, B. Saar De Almeida, A. Bastos, R. Herrington
Journal: Economic Geology
Published: 01 June 2021
Economic Geology (2021) 116 (4): 837–861.
DOI: https://doi.org/10.5382/econgeo.4819
... in a limited way, with zones affected by in situ ferrugination. Cobalt has an atypical statistical distribution at Santa Fé if compared with other laterites, correlated not only with Mn but also with Cr in the majority of the laterite facies. From microchemical analyses on several potential Co-bearing minerals...
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Characterising As–Bi–Co–Cu-bearing minerals at Scar Crags and Dale Head North, Lake District, UK

Giulio F.D. Solferino, Nathan T. Westwood, Adam Eskdale, Sean C. Johnson
Published: 10 March 2021
Mineralogical Magazine (2021) 85 (2): 197–214.
DOI: https://doi.org/10.1180/mgm.2021.22
...Giulio F.D. Solferino; Nathan T. Westwood; Adam Eskdale; Sean C. Johnson Abstract Scar Crags and Dale Head North in the English Lake District host mineralised veins enriched in ‘Energy Critical Elements’ (ECEs) specifically, bismuth, cobalt and copper. A limited number of studies in the 1970s...
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