Samarco's operations have been suspended since Brazil's mining disaster.
Brazil Mining News
Resolving the legal cases will allow talks with creditors to begin as the company starts to draft its long-term business plan.
The new rules are a clear effort to improve the current legislation as seamlessly as possible, but in close attention to the international industry dynamics and to a number of other sensitive issues (such as environmental recovery and security).
The two separate decrees aim at making the local industry more competitive and sustainable, while while implementing rules on the collection of higher mining royalties.
Transiting Voisey's Bay nickel mine from open-pit operations to underground will cost about $2 billion, and is expected to extend its productive life to 2035.
Government and company officials told CBC News that a "significant" mining announcement would take place on Monday.
Michel Temer is expected to issue a decree next week introducing key changes to mining rules that date back to the 1960s.
The takeover offer, which expires next week, offers great exploration potential because Avanco owns a vast landholding in the copper and iron ore-rich Carajás region, second only to giant Vale.
Global miners face a new reality in Brazil as local, judges included, react quicker and more ferociously to legal infractions.
The company will announce "organic growth" in the coming months.
The company had warned last week that operations at the open pit mine would be affected by the strike, as fuel and consumables failed to be delivered to site, while road blocks on highways prevented sending output to port.
Brazilian miner Vale SA expects iron ore output at its premier S11D mine to reach 58 million tonnes this year.
Structural changes in the world's biggest importer, China, are re-shaping how the industry works.
MINING.com discusses the state of private equity investment in mining with Michael Scherb founder of Appian Capital.
Fabio Schvartsman is pursuing a disciplined approach, keeping tens of millions of tons in the ground each year to prevent another painful glut.
Commercial production is expected in the second quarter of the year.
Australian law firm Phi Finney McDonald alleges BHP knew the dam was at imminent risk of breaking but did not tell markets.
Votorantim said profit was also boosted by sales growth in its aluminum and cement businesses.
The Brazil-based lithium mine developer eyes a wave of demand for the metal used in rechargeable batteries for iPhones and electric cars.
The Toronto-based miner expects to stay in line with its 900,000 ounces production guidance for 2018.
Brazil on Wednesday contradicted a United States announcement that the two countries had reached a deal on a permanent exemption from steel and aluminum import tariffs, saying the Trump administration had unilaterally cut off talks.
The comments came a day after Vale reported a first-quarter slide in profit of 36 percent on higher costs and lower iron ore prices.
A day after first quarter results showed a 36 percent slump in profit, executives said they were not satisfied with nickel prices.
The world's largest iron ore producer posted a 36 percent slump in first-quarter profit compared to the same quarter a year earlier.
Cabral Gold Inc.'s Cuiu Cuiu gold project sits on what was once the territory of migrating miners who came during the Brazilian gold rush of 1978-1995.