Cabral, Alexandre R., da Costa, Marco A., Oliveira, Leandro, Hector, Simon, Zeh, Armin, Martins, Maximiliano de Souza, Moura, Pablo, Silva, Marco, Nazareth, Liliani P.T., Silva, Luiz C. da, et al. (2024) The historical Corrente gold deposit, Minas Gerais, Brazil: Geological characteristics and a reconnaissance study of nugget effect. Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy. doi:10.1177/25726838241249369
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | The historical Corrente gold deposit, Minas Gerais, Brazil: Geological characteristics and a reconnaissance study of nugget effect | ||
| Journal | Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy | ||
| Authors | Cabral, Alexandre R. | Author | |
| da Costa, Marco A. | Author | ||
| Oliveira, Leandro | Author | ||
| Hector, Simon | Author | ||
| Zeh, Armin | Author | ||
| Martins, Maximiliano de Souza | Author | ||
| Moura, Pablo | Author | ||
| Silva, Marco | Author | ||
| Nazareth, Liliani P.T. | Author | ||
| Silva, Luiz C. da | Author | ||
| Amorim, Lucas E.D. | Author | ||
| Kwitko-Ribeiro, Rogerio | Author | ||
| Araújo, Glorimar D.S. | Author | ||
| Baeta, Victor A.D. | Author | ||
| Lemos, Tales de C. | Author | ||
| Porto, João V.E. | Author | ||
| Ribeiro Jr, Nelson F. | Author | ||
| Soares, Maria L.F. | Author | ||
| Waughan, Gustavo D. | Author | ||
| Year | 2024 (May 20) | ||
| Publisher | SAGE Publications | ||
| URL | |||
| DOI | doi:10.1177/25726838241249369Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 18084508 | Long-form Identifier | mindat:1:5:18084508:2 |
| GUID | 0 | ||
| Full Reference | Cabral, Alexandre R., da Costa, Marco A., Oliveira, Leandro, Hector, Simon, Zeh, Armin, Martins, Maximiliano de Souza, Moura, Pablo, Silva, Marco, Nazareth, Liliani P.T., Silva, Luiz C. da, et al. (2024) The historical Corrente gold deposit, Minas Gerais, Brazil: Geological characteristics and a reconnaissance study of nugget effect. Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy. doi:10.1177/25726838241249369 | ||
| Plain Text | Cabral, Alexandre R., da Costa, Marco A., Oliveira, Leandro, Hector, Simon, Zeh, Armin, Martins, Maximiliano de Souza, Moura, Pablo, Silva, Marco, Nazareth, Liliani P.T., Silva, Luiz C. da, et al. (2024) The historical Corrente gold deposit, Minas Gerais, Brazil: Geological characteristics and a reconnaissance study of nugget effect. Applied Earth Science: Transactions of the Institutions of Mining and Metallurgy. doi:10.1177/25726838241249369 | ||
| In | Link this record to the correct parent record (if possible) | ||
| Abstract/Notes | Corrente is a historical underground working in Minas Gerais, Brazil, mined for gold in the nineteenth century, for which little geological information is available. Retrieval of unpublished exploration reports from the 1980s has enabled the recognition of a 7-km-long linear cluster of historical underground and open-cast workings, here referred to as the Cata Branca–Corrente goldfield. Gold production ceased at Cata Branca, the most economically relevant deposit of the goldfield, in 1844. Both Corrente and Cata Branca are auriferous quartz-lode deposits. Geological characteristics of the Corrente deposit are presented, as well as reconnaissance whole-rock analyses for Au using a variety of analytical methods, including conventional fire assay, atomic absorption spectrometry, instrumental neutron activation analysis and laser ablation–inductively coupled plasma–mass spectrometry (LA–ICP–MS) on pressed-powder pellets (PPPs). Corrente is characterised as a gold-only deposit. The Corrente auriferous quartz lode, hosted in the Archaean greenstone belt sequence of the Rio das Velhas Supergroup, is extensively oxidised and has conspicuous wall-rock alteration to fine-grained muscovite. The resulting sericite phyllite shows overprint by low-temperature kaolinitisation, likely the product of wall-rock hydration mediated by acidic water derived from sulfide oxidation at depth, below the modern weathering zone. The Corrente gold deposit has a high nugget effect. Time-resolved results of LA–ICP–MS on PPPs indicate the presence of particulate gold even in barren kaolinitised wall-rock phyllite. | ||
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