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Lineament analysis of Cannanore district and their implication on the tectonic evolution of the area

  • Venkatesh Raghavan
  • Narayanaswamy
Article
  • 32 Downloads

Abstract

The Cannanore district and the adjoining areas mainly comprise of charnokites, gniesses, high and low-grade schists and various types of igneous intrusives. The lineament fabric of the region indicates that the NNW-SSE, NW-SE, ENE-WSW and NE-SW lineament directions are prominent. It is suggested that the area has undergone at least three distinct phases of tectonic activity. The NW-SE and ENE-WSW lineaments appear to have formed during the phase of NW-SE folding. The NE-SW lineaments may be the result of the cross-folding of the earlier folds. The NNW-SSE lineaments have been related to the Precambrian tectonic activity in South India.

Keywords

Lineament analysis tectonic evolution tensional fractures basic magmatism reactivation 

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Copyright information

© Indian Academy of Sciences 1986

Authors and Affiliations

  • Venkatesh Raghavan
    • 1
  • Narayanaswamy
    • 1
  1. 1.Centre for Earth Science StudiesSasthamangalam, TrivandrumIndia

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