Understanding and controlling the ground stress in deep coalfield mining is crucial for ensuring mine safety and efficiency. This study aims to address two unresolved scientific issues in ground ...

Deep below the surface in South Dakota, construction crews have been working tirelessly to carve out a network of caverns and tunnels that one day will house a huge neutrino experiment. Their efforts ...

Discover the Komatsu PC9000-12 — the world's largest hydraulic mining excavator. Weighing up to 988 US tons with a 64 yd³ ...

Deep-sea mining targets mineral deposits on the ocean floor, typically at depths of 3,000–6,000 meters. Most attention focuses on polymetallic nodules—potato-sized rocks lying on abyssal plains—and on ...

There are billions of tons and billions of dollars' worth of critical minerals including nickel, copper, cobalt and manganese lying at the bottom of the seafloor. These metals are vital to electric ...