International Gold Mining Standards

At Chatree Gold Mine, we employ open-pit mining methods to extract valuable ore deposits by excavating deep pits from the surface. Our skilled geologists initiate the process with precision drilling and collection of ore samples for in-depth analysis, determining the gold grade within the ore. We categorize the ore into high-grade, low-grade, marginal-grade, and waste rock.

The mining process begins with a survey and topography mapping, 
facilitated by Light Detection & Ranging (LiDAR) technology.

This approach, harnessing infrared radiation, ensures highly detailed measurements, surpassing the capabilities of conventional drone photogrammetry surveys.

After obtaining topographic data, our mine planning team integrates it with ore grade information to craft a comprehensive ore production plan and design mining pits. This process takes into account various factors, such as the quantity and quality of ore destined for the processing plant, the selection and quantities of machinery, economic viability, adherence to safety regulations, and measures to mitigate environmental impact for the surrounding community.

After finalizing the production plan and pit design, our mining team employs these crafted blueprints to oversee machinery operations, ensuring the efficient extraction of ore for delivery to the processing plant and the removal of waste rock for disposal or construction purposes.

At Chatree Gold Mine, we take pride in being the first mine in Southeast Asia to 

adopt real-time Internet of Things (IoT) technology

for machinery tracking, partnering with Caterpillar, the world’s foremost mining equipment company.

This innovative real-time tracking technology, MineStar Edge, not only optimizes ore production and waste management but also elevates safety standards and improves environmental impact management.

In situations where the ore exists in a form that cannot be easily excavated, controlled blasting is employed to break the rock into smaller pieces, facilitating efficient loading onto trucks. The blasting process is carefully managed, considering various parameters such as the delay time of blasting caps and the quantity of explosives used. Our company actively monitors and records environmental factors, such as vibrations and noise, to ensure strict adherence to environmental standards and minimize any potential influences on the surrounding community.

After the mining process, trucks transport ore to the processing plant, while waste rock is stored in designated areas. Rehabilitation of the waste dumps will commence after mining activities cease, aiming to enhance environmental sustainability in those regions.

Operating as a closed system (Zero Discharge),
we ensure no discharge of water or tailings outside the TSF.

In the realm of tailings management, our company holds certification from the Nevada Department of Environmental Protection, USA.

Additionally, we have partnered with Knight Piésold Consulting, an Australian firm renowned for its global expertise in designing and overseeing tailings operations. Currently, our Tailings Storage Facility (TSF) functions as a storage site for tailings, the residue from gold and silver extraction, undergoing a specialized process to extract and reuse processing chemicals. This method reduces cyanide concentration to less than 20 parts per million (ppm), akin to levels found in consumables such as salt, green peas, and almonds.

Continuous environmental monitoring, encompassing water and air quality, is conducted within the project area and the surrounding community to uphold effective management systems.


  • Tailings
  • Green Pea
  • Coffee
  • Salt
  • Almond
  • Raw Cassava
  • Cigarette Smoke

Cyanide Concentration

  • lower than 20 ppm
  • 1 - 31 ppm
  • up to 6 ppm
  • up to 13 ppm
  • 26 - 100 ppm
  • 200 - 1,000 ppm
  • up to 1,600 ppm

What is PPM?

PPM, or parts per million, signifies one part within a million (1 in 1,000,000). It serves as a crucial concentration metric, widely embraced for quantifying minuscule substance levels, especially within professional environments. In industries such as air quality assessment, PPM serves as a vital indicator, precisely measuring the fraction of hazardous gases amidst a million parts of air volume.