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Ediacaran to Cambrian paleosols of the Camaquã Basin (Southern Brazil)

Grant number: 13/02114-3
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): April 04, 2013
Effective date (End): December 03, 2013
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Renato Paes de Almeida
Grantee:André Marconato
Supervisor abroad: Gregory John Retallack
Home Institution: Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Local de pesquisa : University of Oregon (UO), United States  


The study of paleosols is an important tool for the comprehension of continental sedimentary deposits, specially considering the existence of few products of interaction of substrate and atmosphere in the geological record. Its field application comprises subjects such as stratigraphy and paleoclimatology. The doctorate project of the candidate deals with the study of pre-vegetation floodplains. In this context the study of paleosols gains importance, as the understanding of the environmental conditions during the deposition of these units can be greatly improved by studies of the genesis of paleosols found in these sedimentary deposits. The candidate will have the supervision of Professor G.J. Retallack, who is an expert in the study of paleosols and also has special interest and experience in the study of paleosols of Precambrian and early Paleozoic ages. The host institution, the University of Oregon, has an adequate infrastructure for the project execution, with state of the art labs for materials characterization. The candidate will develop skills on the study of paleosols, and perform analyzes on samples collected in sedimentary successions of the Cambrian to Ediacaran transition from the Camaquã Basin (Southern Brazil). The collected data will be the subject of an original case study on Brazilian paleosols. Thus, the candidate intends to acquire information that will contribute to the improvement of sedimentary models regarding floodplains deposits, which are the main subject of his doctorate project. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE ALMEIDA, RENATO PAES; GALEAZZI, CRISTIANO PADALINO; FREITAS, BERNARDO TAVARES; JANIKIAN, LILIANE; LANNIRUBERTO, MARCO; MARCONATO, ANDRE. Large barchanoid dunes in the Amazon River and the rock record: Implications for interpreting large river systems. Earth and Planetary Science Letters, v. 454, p. 92-102, NOV 15 2016. Web of Science Citations: 8.
MARCONATO, ANDRE; DE ALMEIDA, RENATO PAES; TURRA, BRUNO BOITO; DOS SANTOS FRAGOSO-CESAR, ANTONIO ROMALINO. Pre-vegetation fluvial floodplains and channel-belts in the Late Neoproterozoic-Cambrian Santa Barbara group (Southern Brazil). SEDIMENTARY GEOLOGY, v. 300, p. 49-61, MAR 1 2014. Web of Science Citations: 23.

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