A series of coal mine closures and job lay-offs and claims of an "un-Australian" royalty scheme might not be the last, a mining expert says.

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Anglo American, BHP Mitsubishi Alliance and QCoal have shuttered mines and axed more than 1000 workers in Queensland in recent days.

And there could be more, mining analyst Gavin Wendt told AAP.

"We've had three miners in consecutive days come out and make the same decision, and all of these companies were complaining about the hike in royalties,'' he said.

"There's a consistency

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