- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
Work done, observations taken, or other operations, as triangulation, leveling, making geological observations, etc., in the field or upon the ground.
Industry:Mining
Work performed at a mine and paid for by day wage as opposed to payment by results, namely by tonnage, yardage, or price list.
Industry:Mining
Work that is outside the scope of the mine price list and is performed on the basis of an agreement between a miner and the mine manager. The agreement may be only verbal and renewable weekly or monthly. Payment is made according to performance. In development work, the contract rate is usually per yard advance. There may be bonus payments for good work or for extra performance.
Industry:Mining
Work undertaken to open up orebodies as distinguished from the work of actual ore extraction. Sometimes development work is distinguished from exploratory work on the one hand and from stope preparation on the other.
Industry:Mining
Work, as it is commenced on the ground, is such that, if continued, will lead to a discovery and development of the veins or orebodies that are supposed to be in the claim, or, if these are known, that the work will facilitate the extraction of the ores and minerals.
Industry:Mining
Worker who pours molten glass from a suspended ladle on casting table for rolling into sheet glass.
Industry:Mining
Working a seam of coal, etc., at right angles to the cleat, or natural planes of cleavage.
Industry:Mining
Working area of a screen. The nominal area, less any area occupied by fixings or supports that obstruct the passage of material over or through the screen deck.
Industry:Mining
