Glossary

Ratio between available commercial metal content and the total volume of that metal found in processed ore. It is generally expressed as a percentage (%).

A naturally occurring chemical element or inorganic compound, which has a crystalline structure and characteristic chemical composition. It can be a single element or a combination of multiple ones.

Natural concentration of useful minerals that can be extracted to obtain an economic benefit.

Act by which the State grants a private party the right to explore, exploit and take advantage of the mineral resources present within a defined space and for a specified time, for which the concessionaire pays a consideration.