The court halted mining of the ore in the mineral-rich state in 2011 after social activist group Samaj Parivartan Samuday alleged that rampant illegal mining had damaged the environment.
Basically, to assess mineral content the geologists drill some holes and assay the ore for potash exploring percentage of mineral content as well as the thickness of the pay zone.
Freight business includes transport of bulk mineral commodities, including iron ore, agricultural products, mining and industrial inputs and general freight throughout Queensland and Western Australia.
Rinehart inherited or has acquired the rights to some of the largest mineral leases in the Pilbara, believed to contain billions of tons of minable reserves of iron ore.