The Open Mineralogy Journal

2010, 4 : 1-8
Published online 2010 February 12. DOI: 10.2174/1874456701004010001
Publisher ID: TOMJ-4-1

Infrared Spectroscopic studies on the Mobility of Metamorphic Fluid in Quartz veins of Dharwar Craton

D. Srinivasa Sarma , M. Ram Mohan and P.S.R. Prasad
National Geophysical Research Institute, (Council of Scientific & Industrial Research), Hyderabad – 500 606 India

ABSTRACT

The thermal induced variations of water inclusions in their OH stretching mode region were probed in quartz veins from Dharwar Craton, India, using fourier transformed infrared spectroscopy (FTIR) in the temperature range 25 to 300 °C. All the inclusions have composition H2O-NaCl-CO2. The peak positions monotonously shift to higher wavenumbers with increasing temperature with slopes of 0.23 and 0.43 cm-1 vC-1 for the inclusions of Eastern and Western Dharwar Craton, respectively. The effect of CO2 on the mobility of water inclusions was also investigated and our results indicate higher mobility for CO2 rich inclusions.

Keywords:

Metamorphic fluids, dharwar craton, quartz vein, FTIR spectroscopy.