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LABORATORY FACILITIES

Petrology laboratory

A petrology laboratory including thin section preparation facility has been established at BGRL, Karad. The rock thin section preparation facility includes precession cutter, polisher machines, abrasive grinder and vacuum system.Two highly configured polarized microscopes and one stereo microscope have been acquired and installed successfully in the petrology laboratory.The thin section preparation and petrological studies on prepared thin sections at BGRL petrology laboratory have already been initiated.

Core Scan System

A High Tech Core Scan System (model CoreScan 3 of DMT, Germany) was installed successfully at BGRL recently in the last week of June 2016. A three day training programme including installation and demonstration of the equipment was provided by DMT representative at BGRL. High resolution images either in 360 deg mode for detailed unwrapped full circumference image of drill core samples or in plane mode for detailed overview image of the drill core or an entire core box can be obtained. Drill core of up to 1.05 m length and core box with dimensions of 1.10 x 0.65 m can be scanned in a single take. The obtained core images will be used for calibration of geophysical borehole images as well as for comparison with other borehole wireline logs. The other applications include but are not limited to generation of lithological columns, structural picking, structural analysis and derivation of geotechnical parameters (RQD, FD, FS). BGRL will come up with a digital drill core library for all available borehole cores.

Rock mechanical laboratory

Establishment of advanced rock mechanical laboratory at BGRL has been initiated. The procurement process for a state-of-the-art triaxial system is at an advanced stage and the purchase order is likely to be placed shortly. This laboratory will have the facility of measuring rock properties under high pressure and temperature conditions and capable of producing in-situ environment down below a depth of 10 km in the subsurface. The main purposes of establishing this laboratory are: (i) to understand the deformation processes of rocks in a better way under the extreme conditions, (ii) to study how fault nucleates and propagates through surrounding rocks during an earthquake, (iii) to study effect of pore pressure in lowering rock strength and, (iv) to provide valuable insights in improving the modelling of earthquake cycles in order to better understand the earthquake processes.

Geothermal laboratory

Setting up of a geothermal laboratory at BGRL has been initiated to study the thermal properties of subsurface rocks. Transient Thermal Conductivity Meter (model TK04 of TeKa, Germany), which is used for fast and high precision thermal conductivity measurements of solid rocks and rock fragments and powder has been acquired and installed successfully at BGRL. The thermal conductivity measurements of borehole cores/fragments are essential in view of geothermal investigations under taken in Koyna region. First set of measurements were carried out and promising results are obtained.