Underground Coal Gasification (UCG) is a novel technology, enabling conversion of underground coal seams into flammable gases. One of the problems in UCG is influence of void space (cavity) developed ...

With the development of ground observation technology, noncontact localization of disordered goaf can be realized, which is the key to suppressing ground disasters and guiding government supervision.

Ivanhoe Electric’s prefeasibility study (PFS) for the Santa Cruz project, completed in June 2025, has defined a high-quality underground mining operation with strong economics. The project has ...

CORYDON, Ky. — A new underground coal mine in Henderson County, Kentucky, opened June 17, marking a significant economic development for the region. The Henderson County Mine, operated by Alliance ...

Right now, DRMS crews are mitigating another underground coal mine site near Glenwood Springs. A coal seam there has burned since 1910.

FLORENCE, Colorado (KCNC) — Crews tearing apart a 1.5-acre pile of coal mine refuse that has been smoldering for two decades recently uncovered a section which measured 300 degrees Fahrenheit ...

Right now, DRMS crews are mitigating another underground coal mine site near Glenwood Springs. A coal seam there has burned since 1910.

By Logan Smith Click here for updates on this story FLORENCE, Colorado (KCNC) — Crews tearing apart a 1.5-acre pile of coal mine refuse that has been smoldering for two decades recently ...