Jackson, who is the current president of National Grid Ventures, an energy group, joins Rio Tinto on September 1.
The world's largest listed miner said iron ore output from Western Australia on a 100% basis was 76.8 million tonnes in the three months to June 30.
Vedanta is joining a slew of Indian companies tapping stock investors amid surging valuations and increasing demand for equity investments in the country.
Environmental campaigners are challenging the approval of a coking coal mine in northwest England.
