Prime Minister Kevin Rudd will sit on a meeting with several Australia's biggest mining companies on Wednesday to discuss his new resource super tax profits.

The mining industry is worried over the proposal by the federal government on a 40 per cent tax on "above normal" mining profits starting 2012.

Minister Rudd said he will negotiate openly with mining companies and elaborate further on the mining tax.

"There's a lot of implementation details to work through to make sure that we deal with the circumstances of individual miners," he said.

Despite the threats, Mr. Rudd hopes the meeting today will alleviate the concerns of mining companies.

"With the mining industry itself, we are open to a discussion about the details of the regime, its implementation arrangements because we want to make it as right as possible for each individual miner," he said.

According to media reports, Federal Opposition Leader Tony Abbot will also discuss with senior mining executives in Canberra today.

Meanwhile, some mining companies already disclosed that they will find other projects after Cape Lambert Resource announced yesterday its withdrawal on exploration in Australia due to the additional mining tax.

However, Finance Minister Lindsay Tanner suggested that they should not rely too much on statements provided by companies.

"Whenever companies blame governments for things I would always urge caution, because usually that's a useful excuse," he said.