Calcination has been widely employed. However, it has a high energy cost and environmental issues due to the release of toxic gases containing arsenic. In the treatment of refractory gold ores ...
Mr. John Proust, Chairman and CEO of Japan Gold, said, "We are pleased to work with Osisko as a strategic partner to advance our exploration of epithermal gold properties in Japan. Osisko is an ...
A solid economy and still-too-high inflation argue for holding interest rates steady until more progress is made in slowing price growth, Federal Reserve Vice Chair Philip Jefferson said on Tuesday ...