Using lead isotope analysis, the team traced the origins of these trinkets, confirming that they were made from local galena, ...

Simply, there are no shortcuts,” they added. The groups warned that an export ban on raw ore would even lead to mine closures that would consequently result in unemployment for hundreds of ...

He has also proposed an export tax on raw ore instead of an outright ban ... The Chamber of Mines of the Philippines earlier said the export ban could lead to the closure of mining operations and ...