CV Lattes
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Universidade de São Paulo (USP). Instituto de Geociências (IGC) (Institutional affiliation from the last research proposal) Birthplace: Brazil
PhD in Sciences (2021) from the Geosciences Program (Geochemistry and Geotectonics) at the University of São Paulo (USP). Bachelor's degree in Geology, graduated from the Federal University of Rio Grande do Norte (UFRN) in 2013, and holder of a Master's degree in Geodynamics and Geophysics obtained at the same institution in 2016. My field of expertise focuses on the characterization of mafic and felsic igneous processes, employing techniques such as elemental geochemistry, radiogenic isotopes (Sr, Nd, Pb), geochronology (40Ar/39Ar, U-Pb), mineral chemistry, geological-structural-geophysical mapping, petrographic/textural analysis, Crystal Size Distributions, magnetic susceptibility anisotropy, and database analysis using Self-Organizing Maps (SOM). Currently, I hold a postdoctoral research position at the Institute of Geosciences at USP, where I am involved in a project characterizing and correlating large Cretaceous igneous provinces genetically linked to the early stages of the South Atlantic rift. Contact via email: antomat@alumni.usp.br. (Source: Lattes Curriculum)
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The opening of the South Atlantic Ocean, and consequent West Gondwana breakup, triggered at the Early Cretaceous was preceded by dramatic tholeiitic magmatism (with minor associated silicic and alkaline occurrences) presently recognized from NE Brazil/western Africa (Nigeria) to the Falklands/South Africa. In SE South America and SW Africa, continental flood basalts and related plumbing s…
This PhD proposal is part of a major project (FAPESP 2017/08423-9) whose main aim is to study the magmatic events related to the evolution of the Atlantic continental margin during the Cretaceous and therefore to the break-up of the West Gondwana, presently exposed in the northeastern Brazil. These events are represented by: (1) a continental-scale arcuate mafic (dolerites) dike swarm tha…
Mafic dike swarms and sills intruding the Precambrian Borborema Province and the Paleozoic Parnaíba Basin (NE Brazil) have been recently proposed as part of a hitherto known large igneous province (LIP) in South America, named Equatorial Atlantic Magmatic Province (EQUAMP; Hollanda et al., 2018). This proposal is based on geochemical and geochronological data of two regional magmatic even…
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