By tracing the air backwards in time, the scientists found that high-mercury air travelled over the Indonesian archipelago before arriving in Australia.
Gold Mining News
Gold prices finished higher last Friday and followed the upward trend on Monday, with December gold GCZ7, +0.67% rising to $1,283 an ounce.
The devices are used to improve cybersecurity, GPS systems and the detection of toxic chemicals.
A September proposal to replace the tax on high-end assets with just a real estate tax was met with public uproar.
Newcrest Mining chief executive Sandeep Biswas says the gold miner is examining whether a solar farm could be installed at it flagship Cadia mine in NSW to help insulate the operation from soaring electricity prices.
The fate of IAMGOLD's Sadiola mine hangs in the balance as Mali's gold exports fall and production winds down.
Gold’s reactions to geopolitical developments, including these about the country ruled by the Kim dynasty, are usually merely short-lived and limited.
The transaction closed today and included the Black Fox underground gold mine, stock mill, workforce, and nearby Grey Fox and Froome development projects.
India's recent restrictions on the industry and increased smuggling took the sheen off the bullion market heading into the peak festival season.
Freeport agreed in August to divest a 51% stake in Grasberg to local interests in return for full operational control until 2041 plus fiscal and legal guarantees, but a final deal has still to be reached.
At full tilt, New Gold's Rainy River mine is expected to produce about 325,000 ounces of gold annually, during its 14-year estimated mine life.
Plans to reopen one of the world's biggest copper mines, shut by a civil war on the Pacific Island of Bougainville in 1989, have run into trouble.
After a 3 month suspension, Mali allows informal gold mining to recommence. The country exported over 16 tonnes of gold in the first 4 months of this year.
The Dubai Gold and Commodities Exchange is entering as a global player in precious metals with its Shanghai Gold Futures contract (DSGC).
Arbitration case against the company was filed last year after the miner halted payments due to a local group.
Competitive operating costs and supportive government policies are also expected to play a key role in Mexico's mining industry strong recovery.
Consensus forecasts point to double digit declines for the platinum, zinc, copper and lead price by the end of the year, while coal is set to tank.
North American investors poured $2.5 billion into gold-backed funds in September despite pullback in gold price.
Polymetallic Penasquito mine produced one million gold equivalent ounces in 2016.
Marmato underground gold mine is expected to have a minimum 12-year productive life, generating over 1.5 million ounces of the precious metal during that time.
Roy Cimatu, who replaced ousted ecologist Regina Lopez in May, has said he would review evidence brought forward by mining companies and communities before deciding whether to keep, modify, or reverse his predecessor's measures.
The Mining ROCKS! contest, now in its fourth year, hopes to inspire children to learn about the industry, get creative and win big.
The country's chamber of mines and the ministry are locked in a number of legal disputes over the mining charter, which aims to increase black ownership and participation in the industry as part of a government drive to overcome apartheid's legacies.
US president's irrational behaviour and ill-considered remarks "have proved supportive in the past."
James Kwantes of Resource Opportunities takes an in-depth look at a "promising" Canadian explorer.