Mine Surveying 1st Lesson Reviewer

A nearly horizontal passage from the surface by which a mine is entered and dewatered. A blind horizontal opening into a mountain, with only one entrance.

A water-bearing bed of porous rock, often

sandstone.

The division of a current of air into two or more parts.

An upward fold or arch of rock strata.

downward arc or curve of a fold

Mine waste or rock used to support the roof after coal removal.

A pile or mound of material capable of restraining a vehicle.

Any deep or long drill-hole, usually associated with a diamond drill.

An entry perpendicular to the vein

The inclination of a geologic structure (bed, vein, fault, etc.) from the horizontal; dip is always measured downwarde at right angles to the strike.