 Caledonia Mining Corp PLC said it agreed to buy the Maligreen project in the Gweru mining district in Zimbabwe, from Pan African Mining Private Ltd, a privately owned Zimbabwean company, for US4mln 2.9mln in cash. The project is estimated to contain a NI 43-101 compliant inferred mineral resource of about 940,000 ounces of gold as of end August 2021, said Caledonia Mining. 