- 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 ...
Lanc. The pressure exerted by the subsidence of the cover or overburden.
Industry:Mining
Land belonging to the United States containing a deposit of mineral in some form, metalliferous or nonmetalliferous, in quantity and quality sufficient to justify expenditures in the effort to extract it and subject to occupation and purchase under the mining laws.
Industry:Mining
Land cannot be held to be a "known mine" unless at the time the rights of the purchaser accrued, there was upon the ground an actual and open mine that either had been worked or was capable of being worked.
Industry:Mining
Land owned by a government, esp. a national government; specif. the part of the U.S. public domain to which title is still vested in the Federal Government and that is subject to appropriation, sale, or disposal under the general laws.
Industry:Mining
Land remaining in its natural state, not disturbed by mineral exploration or extraction activities.
Industry:Mining
Land that is worth more for mining than for agriculture. The fact that the land contains some gold or silver would not constitute it mineral land if the gold and silver did not exist in sufficient quantities to pay to work. Land not mineral in character is subject to entry and patent as a homestead, however limited its value for agricultural purposes. Compare: stone land
Industry:Mining
Large auger, rotated mechanically or by hand, used for digging in unconsolidated ground and retrieving a sample.
Industry:Mining
