| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Explosives casting | Mining | In explosives casting, large amounts of low-cost ammonium nitrate mixtures are loaded into medium-sized drill holes in a usual ratio of more than 1 lb of powder per cubic yard (0.59 kg/m3) of overburden. The explosive charges are detonated through millisecond-delay electric blasting caps. When the shot is fired, a large part of the overburden is blasted into the pit away from the high wall and up on the spoil pile where it attains a favorable angle of repose. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
