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United States Bureau of Mines
المجال: 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 ...
An accessory introduced into the optic path of a polarized-light microscope to produce a first-order gray interference color.
Industry:Mining
An accessory introduced into the optic path of a polarized-light microscope to produce a first-order gray interference color.
Industry:Mining
An accessory introduced into the optic path of a polarized-light microscope to produce a first-order gray interference color.
Industry:Mining
An accident in a mine in which a large number of people are killed.
Industry:Mining
An accounting of the mineral reserves and resources contained in known mineral deposits including inactive mines, operating mines, and undeveloped sites.
Industry:Mining
An accumulation of peat.
Industry:Mining
An accumulation of plant remains in the place of their growth. The term itself can be distinguished between autochthonous elements of growth (euautochthony) and autochthonous elements of sedimentation (hypautochthony).
Industry:Mining
An accumulation of valuable minerals, formed by the natural removal of undesired constituents of rocks or conversion of useless to useful components.
Industry:Mining
An accumulation of waste material such as rock or bone, either on the surface or underground.
Industry:Mining
An accumulation of waste material such as rock or bone, either on the surface or underground.
Industry:Mining