Nero Africa, Black Granite Blocks

Finstone's Nero Impala? and Nero Africa quarrying operations spread West to East over an area of 60 km2 providing an important volume component of about 90 000 m3 of the 150 000 m3 or over 600 000 tons of Nero Impala? and Nero Africa granite traded annually.
Initially, there was very little mechanisation and tower cranes were used to extract the blocks from the loose surface boulders. As the accessible surface boulders were quarried out and demand increased, expanding mortar, mechanisation and specialised diamond wire sawing technology was introduced to access the underlying 'solid' formations.