No injuries were reported to the QMI in relation to this incident.
Anglo is planning for the Grosvenor production crew to undertake alternate duties until early July.
Coroner David O'Connell also found the mine's record keeping was "grossly deficient".
This pumpable crib campaign recognised installation rates of more than eight pumpable cribs an hour....
Lynham said an underground gas explosion in a coal mine is simply unacceptable in the 21st century.
The recovery team at Grosvenor are continuing to work step by step through the risk assessment.
Anglo American considers spinning off South African coal operations.
Anglo America will conduct an expert technical investigation into the Grosvenor fire.
The mine is in the process of being evacuated and operations stopped.
Anglo American still believed there was significant further improvement.
They were joined by about 40 students from Moura and Banana State Schools and Traditional Owners.
Anglo American's Moranbah North mine has one of the best diversity programs in Queensland.