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.
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There is at the Warm Springs a thriving mill for crushing and pulverizing barites, known vulgarly as heavy-spar.
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The "open pit" of the outworked Ballynoe Barite Mine provides at least one ideal solution for a local problem, at least within its environs.