A mining company claims a Minnesota county’s recently enacted ban on “frac sand” intentionally singles out companies that process and transport silica sand used in fracking. WINONA, Minn. (CN) – A ...

Proppants are solid materials, such as sand, used to maintain cracks formed throughout well stimulation via hydraulic fracturing (known as fracking) in shale gas or oil drilling operations. The name ...

Europe is renowned for producing high-quality glass, and there may be potential to export goods to other regions and ...