CALCIUM carbonate can exist in three polymorphic forms, which in the order of their usual stabilities are calcite, aragonite and vaterite. Calcite is the most stable and the least soluble ...

An incident at a former Colorado gold mine that killed a man and trapped a group of tourists for hours underground in 2024 was caused by "operator error," authorities said. Investigators ...

No vehicles crashed and no one was injured when the remains of the long-abandoned mine crumbled. But, for many, the sinkhole provided a sudden, alarming awareness that New Jersey is home to long ...

GOLDEN, Colo. (KDVR) — Colorado School of Mines head football coach Pete Sterbick is leaving the program. As announced by the school Tuesday, Sterbick placed his resignation and is expected to ...

Instead of dropping bombs, they placed mines on roads behind enemy lines at night. Russian military social media lit up with warnings and reports of casualties. A Russian map showed that every ...

Apache Calcite is a dynamic data management framework. It contains many of the pieces that comprise a typical database management system but omits the storage primitives. It provides an industry ...

Evelyn Mervine at the University of Queensland in Brisbane, Australia, and her team analysed data on carbon stored in vegetation at 481 nickel mines and undeveloped nickel deposits worldwide.

This story contains a video that some people may find distressing. The mine has now been cleared of both bodies and people alive, the police say. Only two of the deceased have been positively ...

A violent clash between small-scale miners and military personnel guarding the AngloGold Ashanti (AGA) Obuasi Mine has left eight people reportedly dead. Four vehicles were burnt in the ...

ACCRA, Jan 19 (Reuters) - A Ghanaian small-scale miners' association on Sunday said soldiers killed nine unarmed people at an AngloGold Ashanti (AU.N), opens new tab mine on Saturday night ...

The tragedy at the abandoned gold mine near the town of Stilfontein began to unfold in August, when police cut off food supplies to the miners working illegally in the mine's tunnels. The tactic ...

Last summer, I followed Matthew O’Callaghan, a field officer for the humanitarian mine-clearance organization the HALO Trust, along a narrow line of trees in the flat, open countryside of ...