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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 ...
A vein made up of layers of different minerals parallel with the walls.
Industry:Mining
A vein made up of layers of different minerals parallel with the walls.
Industry:Mining
A vein of quartz that crosses a lode.
Industry:Mining
A vein or lode is known to exist when it could be discovered by anyone making a reasonable and fair inspection of the premises for the purpose of a location.
Industry:Mining
A vein or lode is known to exist within the meaning of the mining act when it could be discovered by or is obvious to anyone making a reasonable and fair inspection of the premises for the purpose of making a location of a placer mining claim. This term is not to be taken as synonymous with located vein and refers to a vein or lode whose existence is known as distinguished from one that has been appropriated by location. Hence, a regular location is not necessary before a vein or lode can be a known vein or lode. The time at which a vein or lode must be known to exist to except it from a placer patent is the time at which the application for a patent is made and to contain minerals in such quantity and quality as to justify expenditure for the purpose of extracting them.
Industry:Mining
A vein that alternately enlarges or pinches at short intervals.
Industry:Mining
A vein that does not continue to the surface.
Industry:Mining
A vein that is not metalliferous itself, but may lead to an ore deposit.
Industry:Mining
A vein with unlike mineral sequences on either side.
Industry:Mining
A vein, or a vein-shaped structure, shaped like a reverse curve.
Industry:Mining