| Grant number: | 18/00102-1 |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |
| Start date: | June 01, 2018 |
| End date: | May 31, 2021 |
| Field of knowledge: | Physical Sciences and Mathematics - Geosciences - Physical Geography |
| Principal Investigator: | Fabiano Tomazini da Conceição |
| Grantee: | Hevelyn da Silva Monteiro |
| Host Institution: | Instituto de Geociências e Ciências Exatas (IGCE). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil |
Abstract The proposal aims to study the geological history of the Barreiras Formation in SE Brazil, and it has three objectives: 1. To bracket the history of weathering, deposition and iron-cementation of the Barreiras Formation; 2. To investigate the paleo-exposure history of the Barreiras Formation sediments and to determine whether goethite-cementation occurred mainly while sediments were exposed at the surface or after burial; and 3. To study the stable isotope composition (18O/16O) of goethites of known ages to determine the paleoclimatic conditions prevailing during ferruginization of the sediments. Through the detail mineralogical, geochronological and isotopic investigation of iron oxyhydroxides, this project will improve our understanding about the tectonic and climatic conditions active during formation of the Barreiras Formation in SE Brazil. | |
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