Analysis of the structural lineaments in the Domo de Lages, State of Santa Catarina, using satellite images and ahaded relief maps

Authors

  • Luis Fernando Roldan Universidade de São Paulo; Instituto de Geociências; Programa de Pós-graduação em Geoquímica e Geotectônica
  • Rômulo Machado Universidade de São Paulo; Instituto de Geociências; Departamento de Geologia Sedimentar e Ambiental
  • Samar dos Santos Steiner Universidade de São Paulo; Instituto de Geociências; Programa de Pós-graduação em Geoquímica e Geotectônica
  • Lucas Veríssimo Warren Universidade de São Paulo; Instituto de Geociências; Programa de Pós-graduação em Geoquímica e Geotectônica

DOI:

https://doi.org/10.5327/Z1519-874X2010000200005

Keywords:

Domo de Lages, Structural lineaments, Geoprocessing, Transcurrent faults

Abstract

This work focuses on the study of structural lineaments in the Domo de Lages region, central-south area of Santa Catarina State, and their relationship with the different stratigraphic units of the Paraná Basin that are present in this area. The lineaments were interpreted from Landsat and shaded relief images, using geoprocessing techniques. The results show structural lineaments with NW, NNE, NE, ENE and E-W trends. The larger lineaments (4 - 50 km) were interpreted using shaded relief maps, whereas the smaller lineaments were interpreted using satellite images (1 - 3 km). According to field data, these lineaments affect the volcanic rocks of Serra Geral Formation (Paraná Basin) and alkaline rocks associated with the dome. In all these structural trends, evidences of transcurrent faults were found. The formation of transcurrent faults with NNE trend has been related to compressive NE-SW stress. Late Cretaceous/Paleogene is the maximum age considered for the development of these structural trends associated with transcurrent faults. The formation of this structural pattern has been linked to the reactivation of older structures present in the basin and its basement.

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Published

2010-07-01

Issue

Vol. 10 No. 2 (2010)

Section

Articles

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How to Cite

Roldan, L. F., Machado, R., Steiner, S. dos S., & Warren, L. V. (2010). Analysis of the structural lineaments in the Domo de Lages, State of Santa Catarina, using satellite images and ahaded relief maps . Geologia USP. Série Científica, 10(2), 57-72. https://doi.org/10.5327/Z1519-874X2010000200005