Industry news

A walk through the stages that turn rock in the ground into graded stone on a truck, and why keeping them together matters.

Two recent open studies of limestone quarries show how bench height and blast-hole diameter change what comes out of a blast.

A 2026 laboratory study compares stone from a jaw crusher and an impact crusher, calcite included. Particle shape differs between them, but surface texture barely does.

Cement plants buy limestone on its chemical analysis. Here are the limits in one published norm, and why blending and grade control matter.

Cement makers are cutting clinker to lower emissions. One route, LC3, adds calcined clay and limestone powder, and a Nigerian study has tested local clays for it.

A GPS study at one large mine measured how road grade and rolling resistance change haul truck speed, output and cost per tonne.