Environmental Magnetism Laboratory facilities at IIG
The Laboratory has very sophisticated and state-of-the-art instruments to carry out magnetic investigations on geological and geoarchaeological material, and is used by Geophysicists nationwide dealing with different facets of Geomagnetism, Environmental magnetism, Archaeomagnetism and Mineral magnetism. The laboratory facility has been used by in-house and external researchers to reconstruct palaeoclimate variability, environmental vicissitudes and sea level changes by using mineral magnetism technique on fluvial, ocean, beach and lake sediments. Relative paleointensity variation has been derived from Deccan Volcanic Province (DVP) sediments. Paleosecular variation in geomagnetic field intensity in the historical past, with absolute intensity values, have also been derived from archaeological artefacts from IIGs Environmental lab facility. Relative paleointensity and archaeointensity experiments have great potential in understanding pre-instrumented eras magnetic field changes, which can help to characterize geodynamo. Anisotropy of magnetic susceptibility (AMS) method has been studied for fluvial sediments and fluviolacustrine sequence in order to understand the changes in paleocurrent directions. This facility includes the most important equipment for environmental studies like JR6 Spinner magnetometer, MFK1-FA Multifunction Frequency Kappabridge, KLY-4 Kappabridge, CILAS Particle size analyser, Micromag Alternating magnetometer, X-ray fluorescence spectrometer and other supportive instrument.
List of Facilities
The petrological laboratory of IIG is placed at KSKGRL, Allahabad and it is engaged in detail petrography of all types of rocks including the studies of magnetic minerals.
The lab has following instruments
Dr. B.V. Lakshmi