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![](./images/clear.gif) 1.- Metamorphic evolution of Weber Belt and timing of gold mineralization in Fazenda Brasileiro gold deposit, Bahia, Brazil by Ar (super 40) -Ar (super 39) on amphiboles
[International Geological Congress]; [location varies]; III; International, 2008
33rd international geological congress; abstracts
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![](./images/clear.gif) 2.- Petrography and chemistry of SiO (sub 2) filling phases in the amethyst geodes from the Serra Geral Formation deposit, Rio Grande do Sul, Brazil
Elsevier; Oxford; GBR; United Kingdom, 2010
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