Whole-rock Geochemistry of Gneiss from Thana, Bhilwara, India

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1Harel Thomas*, 2Rishabh Batri, 3Aman Soni, 4Jyoti Bidolya

Bulletin of Pure and Applied Sciences.

Geology (Geological Science), Vol.41F, No.2,

July-December  2022: P.196-211

DOI: 10.5958/2320-3234.2022.00017.8

Original Article

Description

Description

Whole-rock Geochemistry of Gneiss from Thana, Bhilwara, India

1Harel Thomas*, 2Rishabh Batri, 3Aman Soni, 4Jyoti Bidolya

Author’s Affiliations:

1,2,3,4Department of Applied Geology, Dr. Harisingh Gour Vishwavidyalaya, (A Central University), Sagar, Madhya Pradesh 470003, India

*Corresponding Author: Harel Thomas, Department of Applied Geology, Dr. Harisingh Gour Vishwavidyalaya, (A Central University), Sagar, Madhya Pradesh 470003, India

E-mail: hthomas@dhsgsu.edu.in

(Received on 05.06.2022, Revised on  02.08.2022, Accepted on 05.09.2022, Published on 15.12.2022)

How to cite this article: Thomas H, Batri R., Soni A. and Bidolya J.  (2022). Whole-rock Geochemistry of Gneiss from Thana, Bhilwara, India.Bulletin of Pure and Applied Sciences- Geology, 41F(2), 196-211.

Abstract
Gneiss is the medium to high grade metamorphic rock present in one third part of Thana. These rocks have been formed by the metamorphism of pre-existing granites under medium to high P/T conditions and it consist essential minerals like quartz, k-feldspar, plagioclase, biotite, hornblende, epidote, garnet and iron-oxides. Geochemically, this gneiss is metaluminous in nature and similar to I-Type granite which is chemically similar to continental arc granitoids. It is also clear that they are formed by the highly fractionated magma. This paper records the petrography, geochemical character and probable origin of this gneiss. Keywords: Gneiss, I-Type Granite, Petrography, Mineralogy.