An oxide of iron and titanium.

 

In the direction of the working face.

 

Any entry to a mine that is not vertical (shaft) or horizontal (adit). Often incline is reserved for those entries that are too steep for a belt conveyor (+17 degrees -18 degrees), in which case a hoist and guide rails are employed. A belt conveyor incline is termed a slope. Alt: Secondary inclined opening, driven upward to connect levels, sometimes on the dip of a deposit; also called "inclined shaft".

 

A foreign substance contained in a mineral. Can be another mineral, liquid, or air.

 

Construction necessary for mining, such as certain buildings, gas pipes, water lines, sewage and water systems, telephone cables and reservoirs. It may also include roads, railways, airports and bridges, as well as transmission lines, electrical cables, pylons and transformers.

 

In the natural or original position. Applied to a rock, soil, or fossil when occurring in the situation in which it was originally formed or deposited.

 

The passage through which fresh air is drawn or forced into a mine or to a section of a mine.

 

Play of prismatic colors on the surface of a mineral.

 

A ductile and malleable greyish white metal used in making steel.