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This tool is primarily used in coal exploration. The tool can be used in applications where portability is important. This light-weight, easy-to-implement tool yields valuable information in remote access situations. Although the tool outputs in CPS units, it can be calibrated to estimate in-situ density. The tool is typically used with cesium-137 sources ranging from 5 to 100 mCuries.

Ground geophysics survey

G&DS LLC provides ground geophysical services in data acquisition, processing and interpretation. We carry out following survey methods of the ground 


Borehole geophysics survey

We carry out the borehole logging to get in-situ physical properties of surrounding formation of subsurface area with wide range of logging tools, in open and cased boreholes. 


Consulting Service

G&DS LLC provides, together with our professional partners, the consulting services for the energy, mineral exploration, environmental, geotechnical, ground water and mining investigations .


Contact us

AOS-7, Tsergiin khotkhon-1B, 2nd khoroo Bayanzurkh district, Ulaanbaatar, Mongolia

Telephone:     +976 - 7007 8008
Fax:     +976 - 7007 9009