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Updated: Aug 19, 2025

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
Published on: August 5, 2016
Mesozoic/cenozoic strike-slip tectonics in the catarinense shield and its correlation with structures associated with
Rômulo Machado1,2, Patrícia D Jacques2,3, Alexis R Nummer4
1Universidade de São Paulo, Instituto de Geociências, Rua do Lago, 562, 05508-900 São Paulo, SP, Brazil.
Abstract:
Structural studies carried out on mesoscopic scale of planar and linear brittle structures from quarries in Precambrian rocks of the central-southern portion of the Catarinense Shield led to a characterization of four main fault directions: NE-SW, NW-SE and some around N-S and E-W. The older dextral (~ N-S) and sinistral (~ E-W) strike-slip faults are explained through a paleostress field approximately NE-SW oriented. The younger dextral (NE-SW) and sinistral (NW) strike-slip faults are compatible with an approximately E-W oriented paleostress field. The oldest event fits between the Cretaceous and Cenozoic and the younger event fits between the Neogene and Quaternary.
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