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Vinod K. Singh
Bundelkhand University, Jhansi, India
Earth & Planetary Sciences Engineering Environmental Science Physics

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Geochemistry and geodynamic setting of Paleoproterozoic granites of Lesser Garhwal Himalaya, India Sumit Mishra; Vinod K. Singh; Alexander I. Slabunov; H. C. Nainwal; Pradip K. Singh; Neeraj Chaudhary; D. C. Nainwal
Journal of Geoscience, Engineering, Environment, and Technology Vol. 4 No. 2-2 (2019): Special Edition (Geology, Geomorphology and Tectonics of India)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (885.907 KB) | DOI: 10.25299/jgeet.2019.4.2-2.2138

Abstract

The granite and gneisses rocks are well exposed around Toneta, Tilwara and Chirbatiyakhal region in the Lesser Garhwal Himalaya have less studied which consider as Paleoproterozoic age. The granites from Toneta area are classified as K-rich peraluminous granite with low Na2O varies from 0.85 to 2.4 wt.% and high K2O content varies from 5.0 to 6.9 wt.%. The average Al2O3 (14.16 wt.%) in the granite is greater than the total alkalies (Na2O+K2O = Av. 7.62 wt.%), the Titania (TiO2) content is low ranging from 0.1 to 0.28 wt. %. In the Y + Nb – Rb, Y – Nb, Ta + Yb – Rb, and Yb – Ta discrimination diagram of Pearce et al. (1984) show that the Toneta granites mostly plots within the syn-collision granite fields. This is typical collisional granite.
Co-Authors Alexander I. Slabunov D. C. Nainwal H. C. Nainwal Neeraj Chaudhary Pradip K. Singh Sumit Mishra