Demand is exploding for the massive amounts of sand used in fracking, creating a windfall for mines from Texas to Wisconsin but leading to worries about the health impacts of breathing silica dust.

A B.C.-based company wants to open a sand mine north of Prince George to provide a made-in-Canada solution to an anticipated boost in liquefied natural gas production. Vitero Minerals' proposed silica ...

Frac sand mining has arrived in Winona County. Three mining operations have been proposed for Saratoga Township, identified as holding the county's richest deposit of the tiny, round grains of silica ...