Base metal prices are mixed, with copper prices sliding since President Trump called for an inquiry into possible tariffs on copper imports.

(AP) — President Donald Trump is taking a step toward granting the U.S. mining industry’s biggest wishes by singling out one ...

There are fewer copper atoms than aluminum atoms in the cubes. Copper atoms are much more massive than aluminum atoms. The extra mass makes copper more dense than aluminum. Volume is a measure of the ...

QMines (ASX:QML) is ready to reap the rewards of a rising copper price as it restocks to explore its Mt Chalmers and Develin Creek projects.

First Quantum Minerals Ltd. and its workers and suppliers in Panama are stepping up efforts to gain support for the reopening of a $10 billion copper mine more than a year after it was shut.