Coal mine Adani and QR National have announced they are working together for a new rail line in the Galilee Basin.
The line will connect Adani's Carmichael coal mine to the Abbot Point Coal Terminal, and possibly the future Dudgeon Point Coal Terminal as well.
Adani chairman Gautam Adani and QRN CEO Lance Hockridge said preliminary work has been carried out under a memorandum of understanding, and is now moving into a feasibility stage.
The feasibility study will asses rail infrastructure and haulage of between 60 and 80 million tonnes of coal annually.
It is part of QR National and the Queensland Government's massive push to open up the relatively untapped Surat and Galilee basins to coal mining.
This latest announcement was welcomed by Adani, with the CEO explaining that "a vertically intergrated solution where Adani and QRN work across the mine, rail, and port interfaces will result in a very efficient and cost effective supply chain.
"The joint evaluation will draw on the significant work done to date by both parties on logistics solutions – Adani with its mine and port developments, and QRN through its Central Queensland Integrated Rail Project."
Hockridge added that the CIRQP aligned with the development of an integrated rail solution for Adani's Carmichael mine.
The miner came under fire recently for claims that it was 'cheating the migration system with its foreign workers' after The Australian claimed a company review by Ernest & Young found none if its foreign workers were properly registered or accredited to work as engineers in Queensland.
The report also claimed most foreign workers had been wrongly imported on short-stay 456 visas instead of the correct 457 system.
However an Adani spokesperson refuted this, telling Australian Mining it did not have workers on 465 visas.
"All employees from overseas that are currently employed in the Australian business are employed under 457 visas," they said.
"Adani Mining ensures that it is in full compliance with the statutory requirements of the 457 Visa scheme including the remuneration, training and sponsorship obligations."