Estágios de Mineralização no Depósito Aurífero Pau-a-Pique, Grupo Aguapeí, Sudoeste do Estado de Mato Grosso, Brasil Central - Evidências de Química Mineral e Inclusões Fluidas

Autor:	Genova Maria Pulz, Alvaro Pizzato Quadros, Francisco Egidio Pinho, Luiz Henrique Ronchi, Elzio da Silva Barboza, Andréa Ritter Jelinek
Rok vydání:	2001
Předmět:	Chalcopyrite Metamorphic rock Geochemistry engineering.material Ore genesis Galena visual_art engineering visual_art.visual_art_medium General Earth and Planetary Sciences Fluid inclusions Pyrite Pyrrhotite Geology Metaconglomerate
Zdroj:	Pesquisas em Geociências. 28:65
ISSN:	1807-9806 1518-2398
DOI:	10.22456/1807-9806.20168
Popis:	The Pau-a-Pique deposit is a small gold prospect in the Southwestern of the Amazonian Craton (Mato Grosso State, Brazil). Ore types comprise quartz veins and disseminations hosted in the mylonitized metaconglomerate (Fortuna Formation, Aguapeí Group) and amphibole-biotite-chlorite mylonite. The native gold is associated with pyrite, pyrrhotite, chalcopyrite, native silver, galena, hematite, magnetite and martite. The aqueous-carbonic (type 1) and aqueous inclusions (type 2) in the quartz veins suggest that ore genesis is related to metamorphic fluids percolation during the late regional shearing. The ore remobilization was promoted by meteoric fluids, which are preserved as aqueous inclusions (type 3) in quartz veins.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::585165ec259f9da9d69f4957c6cf9e07 https://doi.org/10.22456/1807-9806.20168 Zobrazit plný text záznamu