A shekara ta 1693, an gano zinare a Minas Gerais a Brazil.Manyan binciken zinare da, daga baya, lu'u-lu'u a Minas Gerais, Mato Grosso da Goiás sun haifar da "gurwar zinare", tare da kwararar bakin haure.Kauyen ya zama sabuwar cibiyar tattalin arziki na daular, tare da saurin sulhu da wasu rikice-rikice.Wannan zagayowar zinare ya haifar da ƙirƙirar kasuwa na cikin gida kuma ya jawo babban adadin baƙi.Gudun zinare ya ƙara yawan kudaden shiga na kambin Portuguese, wanda ya ɗauki kashi biyar na duk ma'adinan da aka haƙa, ko kuma "na biyar".Karkatawa da fasa kwauri sun kasance akai-akai, tare da hatsaniya tsakanin Paulistas (mazaunan São Paulo) da Emboabas ('yan gudun hijira daga Portugal da sauran yankuna a Brazil), don haka gabaɗayan tsarin kula da harkokin mulki ya fara a 1710 tare da kyaftin na São Paulo da Minas Gerais.A shekara ta 1718, São Paulo da Minas Gerais sun zama kyaftin biyu, tare da ƙauyuka takwas da aka ƙirƙira a ƙarshen.Kambin ya kuma takaita aikin hakar lu'u-lu'u a cikin ikonsa da kuma ga 'yan kwangila masu zaman kansu.Duk da cinikin zinari a duniya, masana'antar shuka ta zama kan gaba wajen fitar da kayayyaki zuwa Brazil a wannan lokacin;sukari ya ƙunshi kashi 50% na abubuwan da ake fitarwa (tare da zinariya a 46%) a cikin 1760.Zinariya da aka gano a cikin Mato Grosso da Goiás ya haifar da sha'awa don ƙarfafa iyakokin yamma na mulkin mallaka.A cikin 1730s tuntuɓar ma'aikatan Spain sun faru akai-akai, kuma Mutanen Espanya sun yi barazanar ƙaddamar da balaguron soja don cire su.Wannan ya kasa faruwa kuma a cikin 1750s Portuguese sun sami damar dasa tushen siyasa a yankin.