Rootless calc-silicate folds in granite: An implication towards syn- to post-plutonic emplacement

Aditya U. Joshi, Manoj A. Limaye

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6 Citations (Scopus)


Deformation of the Champaner Group of rocks that form a part of Southern Aravalli Mountain Belt, western India, occurred during the Grenville orogeny (ca. 1400–935 Ma). Two phases of deformation are recorded: D 1, persistent throughout the group and characterised by westerly plunging tight isoclinal folds and D 2, a localized phase of deformation associated with shortening of the earlier folds from the eastern margin. Both the phases of deformation are in association with the syn-tectonically emplaced Godhra granite. The present work records rootless calc-silicate folds in granite belonging to the older formation, located at the eastern fringe of the Champaner Group. Field evidences suggest superimposition of Type 2 interference pattern trending NE–SW over rootless Type 0 of varying trends from NW–SE to N–S. The superposed pattern obtained from the field study differs in terms of structural trends with the neighbouring Precambrian stratigraphic units. These stratigraphic units include the Champaner Group to which the study area belongs, the Kadana Formation of the Lunavada Group and Pre-Chamapaner Gneissic Complex. Rootless character of folds found within the study area imply syn-post plutonic emplacement of Godhra granite.

Original languageEnglish
Article number67
JournalJournal of Earth System Science
Issue number5
Publication statusPublished - 01-07-2018

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)


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