A block of shares that is less than a board lot.
A method of mining pillars in which no stump is left; the pockets driven are open on the gob side and the roof is supported by timber.
An order to buy or sell stock, which is good until cancelled by the client.
A mine that is entirely on surface. Also referred to as open-cut or open-cast mine.
Cash cost plus depreciation and amortization
An agreement to purchase a property reached between the property vendor and some other party who wishes to explore the property further.
The right to buy or sell a share at a set price, regardless of market value.
A mixture of minerals and gangue from which at least one of the minerals can be extracted at a profit.
Vertical or inclined passage for the downward transfer of ore connecting a level with the hoisting shaft or a lower level.
The calculated tonnage and grade of mineralization which can be extracted profitably; classified as possible, probable and proven according to the level of confidence that can be placed in the data.
A natural concentration of valuable material that can be extracted and sold at a profit.
The portion, or length, of a vein or other structure that carries sufficient valuable minerals to be extracted profitably.
The process of turning peat into coal.
A period of mountain-building characterized by the folding of a portion of the earth's crust.
Common rock-forming mineral made up almost entirely of silicates - to wit minerals containing silicon and oxygen. Quartz is an example of an orthoclase mineral.
Troy ounces of a fineness of 999.9 parts per 1,000 parts, equal to 31.1034 grams
An exposure of rock or mineral deposit that can be seen on surface, that is, not covered by soil or water.
Enclosed airway which permits one air current to pass over (under) another without interruption.
Where the oldest sedimentary rock beds are lying on top of a younger beds.
A chemical reaction caused by exposure to oxygen that results in a change in the chemical composition of a mineral.
The alteration of metalliferous minerals by weathering and the action of surface waters and their conversion, partly or wholly into oxides, carbonates or sulfates