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Combined bedrock and detrital thermochronometry: a new approach to understand the evolution of drainage basins

Grant number: 17/50276-3
Support type:Regular Research Grants
Duration: March 01, 2018 - February 29, 2020
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Cooperation agreement: CNRS
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal Investigator:Mauricio Parra Amézquita
Grantee:Mauricio Parra Amézquita
Principal investigator abroad: Kerry Leo Gallagher
Institution abroad: Université de Rennes 1, France
Home Institution: Instituto de Energia e Ambiente (IEE). Universidade de São Paulo (USP). São Paulo , SP, Brazil


This project aims to develop and exploit a new strategy to constrain the thermal histories of rocks over geological time. Such thermal histories provide unique information on the timing, rates and duration of fundamental geological processes. The analytical methods used are known- as thermochronometry, relying OM temperature sensitive dating methods. Here we propose a novel combination of sampling and modelling approaches to maximize the information retrievable from individual drainage basins. In particular we will combine bedrock (in-situ) sampling at different elevations in a drainage basin with detrital sampling using recent sediment at the outlet of the basin. This requires efficient analytical procedures to produce sufficient data and new modelling tools to allow robust inference of thermal histories. The proposed collaboration will focus on (I) sharing of analytical expertise (from Rennes to Sao Paulo), (II) development and application of new modelling software. (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)
GALLAGHER, KERRY; PARRA, MAURICIO. A new approach to thermal history modelling with detrital low temperature thermochronological data. Earth and Planetary Science Letters, v. 529, JAN 1 2020. Web of Science Citations: 0.

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