Isotope ratios of lead (Pb) are increasingly applied to trace pollution sources in marine
settings, using mostly carbonate remains of living organisms. However, this data has never …

This work presents a detailed study in a new occurrence of shoshonite rocks in the central
Ribeira Belt, SE Brazil. It is the Tinguí Unit, a (hornblende) biotite orthogneiss with …

Essa tese teve como objetivo o estudo das mineralizações de ouro e metais base do Projeto
Coringa, localizado na porção sudoeste da Província Mineral do Tapajós, no Cráton …

O cinturão Mineiro corresponde a um extenso terreno juvenil composto por metagranitoides
e sequências supracrustais que compõem a orogenia acrescionária Minas na porção …

Abstract The Paraguay Belt is composed by sediments deposited due to extensional events
followed by inversion with deformation and magmatism and lastly collision of the Amazonian …

This work aims to analyze U-Pb and Lu-Hf ages in zircons formed together with diamonds
from the kimberlite province of Juína, in Mato Grosso state, Brazil. Fourteen megacryst (2-3 …

A região de Fazenda Fagundes, norte do município de Paracatu, MG, é detentora de
importante depósito de zinco sulfetado, do tipo Mississippi Valley Type e, por isto, parte …

This paper presents data on the fragments of ancient sedimentary deposits placed around
the Piedade and Casa Branca streams, important right bank tributaries of the Paraopeba …

Rondônia intrusive suites represent the youngest A-type magmatism that occurred in the SW
of the Amazon craton, with mineralizations in Sn, Nb, Ta, W, and topaz. Petrological and …

Geochronological studies have become, in the last decades, an indispensable analytical
tool for geosciences studies. U-Pb and Lu-Hf isotope analytical techniques in zircon have …