French nuclear fuels company Orano warned on Friday of a “deteriorating financial situation” at its Somair uranium plant in Niger, whose board it said had sought a temporary halt on expenditures related to mining and processing ore. Orano owns more ...

Epithermal deposits are types of hydrothermal mineral deposits formed from hot, mineral-rich fluids circulating near the Earth’s surface. They’re important for gold and silver mining because they can contain high concentrations of these precious metals. Epithermal deposits are generally classified ...

Pulse jet collectors use bags supported from a metal cage fastened onto a tube sheet at the top of the collector as shown in the figure below. Dust-laden air enters the collector and flows from outside to inside the bag. ...

Gold fell for a fifth straight session on Thursday to hit its lowest level in eight weeks, pressured by a stronger U.S. dollar and rising Treasury yields amid uncertainty over the pace of the Federal Reserve’s interest rate cuts. Spot ...

Introduction Screening operations can produce high levels of dust because smaller-sized material is handled. Airborne dust is generated from the vibrating screen decks that accomplish the size separation. Additionally, material must fall some distance as part of the separation process, ...