Rock that does not contain minerals in quantities sufficient to allow for economically profitable mining.

Technique to break ore in an underground or open-pit mine.

Removing mineral substances in substantial quantities (over 50 tonnes) in order to do mineral processing tests.

Mining right that grants holder the exclusive right to search, within a given territory, for any mineral substance. May exclude peat, sand, clay, gravel, hydrocarbons, brine and stone used for industrial purposes.

Substance of value produced by physical and/or chemical processing of ore. The separation of economically valuable minerals from the gangue.

Cylindrical sample of rock taken from the ground by drilling for research and exploration purposes.

Drift in an underground mine that provides access to an orebody.

A phase of activity ranging from confirmation of a mineral deposit to the decision to build a mine. Development includes all geological, engineering and economic work necessary to ensure profitable mining and compliance with applicable laws.

The hardest and most brilliant of all precious gems. Drills are equipped with diamond tips in order to cut through hard rock.

Underground passageway that provides access to mining operations.