South Africa The Palabora Copper Mine is an underground cave mining operation located in the Limpopo Province of South Africa. Mining is currently underway to set up the second lift of caving operations, a part of which involves the excavation of ventilation shafts from 1,200 m depth to surface. Several potential locations for the shafts … Continue reading Palabora Mining Company SRB1 and SRB2 Shaft Excavation