The international unit for measuring magnetic flux density.

A metal occurring in nature in pure form, uncombined with other elements.

Ventilation of a mine without the aid of fans or furnaces.

The number of acres the company actually owns, given its ownership percentage of the property. This term is in contrast to gross acres, the total number of acres that a company holds on a project.

A portion of the profit remaining after all charges, including taxes and bookkeeping charges, such as depreciation, have been deducted.

An interest in a mining property held by the vendor on the net revenue generated from the sale of metal produced by the mine

The difference between total assets and total liabilities.

Device at the end of the trailing cable of a mining machine used for connecting the trailing cable to the trolley wire and ground.

A coarse-grained igneous rock that is host to copper/nickel deposits in the Sudbury area of Ontario.

A small mass of precious metal, found free in nature.