- 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 ...
The maker's name and/or trademark stamped on the back of pottery flatware or under the foot of hollowware.
Industry:Mining
The making of a seismographic survey. The term shooting derives from the setting off of explosions in the ground. The shock waves from these explosions are recorded by a seismograph, and from these records a contour map can be made.
Industry:Mining
The manner in which drill core is laid in a core box, starting at the upper-right-hand corner of the box and laying core from right to left in each groove. Compare: snake fashion
Industry:Mining
The manner of gravity flow of water or the process of channelization, for removal at a point remote from a mining operation.
Industry:Mining
The marginal portion of an igneous intrusion, which differs in texture and composition from the main body of the intrusion, possibly because of more rapid cooling or assimilation of material from the country rock.
Industry:Mining
The marine bottoms to a maximum depth of 20 fathoms (36.6 m).
Industry:Mining
The marine science that treats of the topographical features of the sea bottom, the phenomena that have developed it, and the types, processes, and distribution of sedimentation.
Industry:Mining
The marine-life zone of the deep sea embracing the water and bottom below a depth of 6,000 ft (1.83 km).
Industry:Mining
The matching or linking up of identical rock formations, veins, or coal seams, exposed some distance apart, by lithology.
Industry:Mining
