National Geophysical Research Institute
Encyclopedia
The National Geophysical Research Institute (NGRI) is a premier geoscientific  research organization established under CSIR India
CSIR India
Council of Scientific and Industrial Research established in 1942, is an autonomous body and India's largest Research and Development organization, with 39 laboratories and 50 field stations or extension centers spread across the nation, with a collective staff of over 17,000...

 in Uppal road, Hyderabad,Andhra Pradesh, India in 1961. It is supported by more than 200 scientists and other technical staff whose research activities are published in several journals of national and international interest.

Research areas covered by this institute include hydrocarbon
Hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Hydrocarbons from which one hydrogen atom has been removed are functional groups, called hydrocarbyls....

 and coal
Coal
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure...

 exploration, mineral
Mineral
A mineral is a naturally occurring solid chemical substance formed through biogeochemical processes, having characteristic chemical composition, highly ordered atomic structure, and specific physical properties. By comparison, a rock is an aggregate of minerals and/or mineraloids and does not...

 exploration, oil exploration, deep seismic sounding studies, exploration and management of groundwater
Groundwater
Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water. The depth at which soil pore spaces or fractures and voids in rock...

 resources, earthquake
Earthquake
An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time...

 hazard assessment, structure of earth's interior and its evolution (theoretical studies), and geophysical instrument development.

The major facilities available at "NGRI" include:
  • Mineral Physics Laboratory with high-pressure Diamond Anvil Cell (DAC), ultra high resolution (0.02/cm) double monochorometer, and micro-Raman spectrometer.
  • High-pressure laboratory consisting of Keithly electrometer, strain-measuring sensors, universal testing machine (100 tons), and Bridgeman-Birch high-pressure apparatus.
  • In-situ stress measurement facility consisting of hydraulic equipment.
  • Rock magnetism laboratory consisting of astatic magnetometer, digital spinner magnetometer, alternating magnetic field and thermal demagnetizers, high-field and low-field hysteresis and susceptibility meter.
  • Geochemical laboratory consisting of fully automated X-ray Fluorescence Spectrometer (XRF), Atomic Absorption Spectrometer, Inductively Coupled Plasma Mass Spectrometer (ICPMS), and Electron Probe Micro Analyzer (EPMA).
  • Geochronology and isotope geochemistry laboratory with facilities for Rb-Sr, Sm-Nd, and Pb-Pb analyses.
  • EM, Resistivity, and IP Model Laboratories.
  • Continuous Flow Isotope Ratio Mass Spectrometer Laboratory (CFIRMS).
  • Helium Emanometry, Heatflow and Radiometry Laboratory.
  • Tritium and carbon dating laboratory for groundwater.
  • Centralized computing facilities: PC-LAN and an array of Sun Workstations.
  • Thermoluminescence (TR) Optically Stimulated Luminescence (OSL) dating facility.
  • Absolute Gravity Lab.
  • Airborne magnetic and electromagnetic surveys.
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