G&DS LLC is a Mongolia‑based consulting company specializing in borehole geophysics and ground geophysical services for geotechnical site investigation, mineral exploration—including copper, uranium, and coal—and groundwater studies. Established in 2006, the company has strong expertise in borehole geophysical logging, including survey design, tool selection, data acquisition, quality control, processing, and interpretation. Our experienced field crews and geophysical engineers operate and maintain modern logging equipment and apply reliable software and proven methodologies to deliver high‑quality results. The company also collaborates with internationally recognized geophysicists in survey planning and data interpretation. G&DS has successfully delivered dozens of ground and borehole geophysical projects for major clients, including Oyu Tolgoi (Rio Tinto), Tethys Mining (Vale), Western Prospectors Mongolia, Gurvan Saikhan, Xanadu Mines, and Erdenes Tavan Tolgoi, building a strong reputation for professionalism, safety, and long‑term partnerships.

G&DS LLC

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G&DS LLC

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