- Industry: 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 ...
Any state of stress that cannot be represented by a single component of stress; i.e., one that is more complicated than simple tension, compression, or shear.
Industry:Mining
Any station in a horizontal and/or vertical control system that is identified on a photograph and used for correlating the data shown on that photograph.
Industry:Mining
Any steam or internal-combustion engine, which has a piston moving under pressure within a cylinder.
Industry:Mining
Any stone (esp. a thick-bedded, even-textured, fine-grained sandstone) that breaks freely and can be cut and dressed with equal ease in any direction without splitting or tending to split. The ease with which it can be shaped into blocks makes it a good building stone. The term was originally applied to limestone, and is still used for such rock. Compare: flagstone
Industry:Mining
Any stone constructed of two or more parts of gem materials, whether genuine, synthetic, imitation, or a combination thereof; e.g., a doublet or triplet.
Industry:Mining
Any stone constructed of two or more parts of gem materials, whether genuine, synthetic, imitation, or a combination thereof; e.g., a doublet or triplet.
Industry:Mining
Any stratum sufficiently open or porous to contain a significant amount of water or to convey it along its bed.
Industry:Mining
Any style of cutting with a large table joined to the girdle by one, or possibly two, bevels and a pavilion that may be step cut, brilliant cut, or any style. Used mostly for opaque stones and intaglios. Bevel-cut shapes include round, square, rectangular, oblong, oval, pendeloque, navette, heart, diamond, horseshoe, shield, pentagon, and hexagonal shapes. The style is used predominantly for less valuable gems.
Industry:Mining
Any style of cutting with a large table joined to the girdle by one, or possibly two, bevels and a pavilion that may be step cut, brilliant cut, or any style. Used mostly for opaque stones and intaglios. Bevel-cut shapes include round, square, rectangular, oblong, oval, pendeloque, navette, heart, diamond, horseshoe, shield, pentagon, and hexagonal shapes. The style is used predominantly for less valuable gems.
Industry:Mining
Any substance capable of lowering the melting ranges in end-stage magmatic fluids.
Industry:Mining
