Trump put the Oak Flat mine project on a priority list of mines a day after announcing the feds would try to speed up a land ...

Copper demand is rising in the U.S. and is set to double in the next 10 years. Mining executives say more mines need to open in order to meet the demand.

After crushing, the minerals in the ore are typically ... possibility of making ore-sand from other types of mineral ores, ...

Rio Tinto Chief Executive Jakob Stausholm said: "We continued to see strong operational improvement with the Oyu Tolgoi ...

a dark-colored powder made variously of crushed antimony, burnt almonds, lead, oxidized copper, ochre, ash, malachite and chrysocolla, a blue-green copper ore. Such measures were intended not only to ...