 | | Journal (article/letter/editorial) | | and occurrences of the CrixaÂs Gold®eld, central Brazil Received: 14 November 1999 / Accepted: 18 February...within sul®dized banded iron formations, auriferous quartz veins, and disseminated gold ores in carbonaceous...zones occur in concentric haloes. In both cases, quartz veins and veinlets may be abundant. Absolute ages...Gold production in the state of GoiaÂs, central Brazil, began in the 18th century, when the bandeirantes...bandeirantes (Portuguese Far West pioneers of colonial Brazil) recovered gold mostly from alluvial and, locally |  | | Journal (article/letter/editorial) | | at Alta Floresta Gold Province, Amazon Craton, Brazil: Insights from Pyrite and Molybdenite Re-Os Geochronology...24 A, No. 1515, Rio Claro, São Paulo 13506–900, Brazil de Geociências, Universidade Estadual de Campinas...Calogerás, No. 51, Campinas, São Paulo 13083–870, Brazil 3 Department of Earth and Atmospheric Sciences...Luizão, and biotite granodiorite (1904 ± 4.6 Ma) and quartz-feldspar porphyry (1784 ± 10 Ma) for the X1 gold...strongly altered to sericite-muscovite + chlorite + quartz (phyllic-like alteration) and contain abundant |  | Juliani, Caetano, Rodrigues de Assis, Rafael, Virgínia Soares Monteiro, Lena, Marcello Dias Fernandes, Carlos, Eduardo Zimmermann da Silva Martins, José, Ricardo Costa e Costa, Jhoseph (2021) Gold in Paleoproterozoic (2.1 to 1.77 Ga) Continental Magmatic Arcs at the Tapajós and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry and Related Deposits. Minerals, 11 (7) 714 doi:10.3390/min11070714 | Journal (article/letter/editorial) | | and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...Paulo-USP, Rua do Lago 562, São Paulo 05508-080, Brazil; assis.rafael@usp.br (R.R.d.A.); lena.monteiro@usp...Pará-UFPA, Rua Augusto Corrêa 1, Belém 66075-110, Brazil; cmarcello31@gmail.com (C.M.D.F.); jhosephcosta@gmail...and Juruena Mineral Provinces (Amazonian Craton, Brazil): A New Frontier for the Exploration of Epithermal–Porphyry...occurrences, (ii) orogenic carbonate–sulfide-rich quartz veins in shear zones, (iii) stockworks, veins, |
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