Значения термина bologna stone на английском

Archaeologists unearthed the bones of at least five people at Jebel Irhoud, a former barite mine 100km west of Marrakesh, in excavations that lasted years.

There is at the Warm Springs a thriving mill for crushing and pulverizing barites, known vulgarly as heavy-spar.

The "open pit" of the outworked Ballynoe Barite Mine provides at least one ideal solution for a local problem, at least within its environs.