- 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 ...
A small block on which the footage below the collar of a borehole is marked and inserted between pieces of core at its appropriate place in a core box to indicate the depth in the borehole at which the core was obtained. The marker block is placed in the core box on completion of each drilled interval.
Industry:Mining
A small block on which the footage below the collar of a borehole is marked and inserted between pieces of core at its appropriate place in a core box to indicate the depth in the borehole at which the core was obtained. The marker block is placed in the core box on completion of each drilled interval.
Industry:Mining
A small block on which the footage below the collar of a borehole is marked and inserted between pieces of core at its appropriate place in a core box to indicate the depth in the borehole at which the core was obtained. The marker block is placed in the core box on completion of each drilled interval.
Industry:Mining
A small block on which the footage below the collar of a borehole is marked and inserted between pieces of core at its appropriate place in a core box to indicate the depth in the borehole at which the core was obtained. The marker block is placed in the core box on completion of each drilled interval.
Industry:Mining
A small boat equipped with a hoist and used for handling dredge lines and anchors.
Industry:Mining
A small building, designed for thawing dynamite, of such size as to provide enough thawed dynamite for a day's work.
Industry:Mining
A small burner kept lighted to rekindle the principal burner when desired (as in a flash boiler). The light so maintained is called a pilot light or pilot flame.
Industry:Mining
A small cap that forms over the flame of a safety lamp when sufficient combustible gases (methane) are present.
Industry:Mining
A small cavity in a rock, usually lined with crystals of a different mineral composition than the enclosing rock. Adj: vuggy. Etymol: Cornish vooga, cavern or cavity
Industry:Mining
A small cavity in a rock, usually lined with crystals of a different mineral composition than the enclosing rock. Adj: vuggy. Etymol: Cornish vooga, cavern or cavity
Industry:Mining
