Queensland's mines minister says he granted mining leases for Adani's controversial coal mine after carefully weighing up the benefits and challenges of the project, including legal action.

Anthony Lynham said he pressed on with the leases for the $22 billion mine, rail and port project because it would create thousands of jobs. An extra $200 million to $300 million would also flow into the state’s coffers every year in royalties, and that was based on current coal…