Geophysics Service 

Multi-Electrode Resistivity Survey 

The benefits of subsurface imaging are widely known and utilized in hard rock prospecting, but lack presence in placer prospecting. We are trying to bridge this gap by offering valuable and affordable sediment surveys that provide accurate information on placer targets.

Our Multi-Electrode Resistivity surveys use a lightweight, custom-built resistivity measuring system that has been refined to facilitate high mobility and rapid data acquisition in northern terrains. This allows us to work easily and efficiently in remote locations. 

Sample resistivity surveying result, which shows the underground layers. Cariboo, BC, 2021.

UAV Magnetic/LiDAR Surveying

The most advanced Geodrones System, Rubidium Optical Pump Magnetometer has been mounted on the latest commercial drone platform DJI Matrice 300 RTK. Offers up to 55 minutes of flight time, advanced AI capabilities, and 6 Directional Sensing and Positioning which provide our clients with the highest sensitivity, absolute accuracy and gradient tolerance available in the industry.

The Zenmuse L1 integrates a Livox Lidar module, a high-accuracy IMU, and a camera with a 1-inch CMOS on a 3-axis stabilized gimbal. When used with Matrice 300 RTK, the L1 forms a complete solution that gives you real-time 3D data throughout the day, efficiently capturing the details of complex structures and delivering highly accurate reconstructed models.


Surveying Results


LiDAR  Image

Two-Dimensional Lidar RGB Image (BC, 2022)

Three-Dimensional Lidar RGB Image (BC, 2022)

Ground Magnetic Survey

Although ground magnetic surveys measure rock magnetism, they can help find minerals that aren’t magnetic, including gold. In fact, the areas that aren’t magnetic can be as significant as those that are. This is why ground magnetic surveys are important for far more than finding iron ore. 

In some cases, Magnetics can be used as an auxiliary geophysical method for placer prospecting. If paleochannels, seen in a Resistivity profile, have sufficient concentrations of magnetite they, can be effectively mapped with a magnetometer. 

Drone-Based Magnetic Survey

Expanded experimental area ΔT polar contour plane pseudocolor map

Expanded experimental area ΔT contour plane pseudocolor map

Tromino® BLU Seismic 

Designed in 2002, TROMINO® is the first all-in-one system for the dynamic characterization of subsoils (HVSR, MASW and more) and structures and for vibration monitoring. TROMINO® is continuously developed to include the latest electronic improvements, while pursuing MoHo’s philosophy of creating only ultraportable and user-friendly instruments, to make the geophysical prospection a sheer entertainment.