- Industry: Mining
- Number of terms: 33118
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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 ...
In mineral deposits, a pattern of alternating rows of parallel crystals, each row in a reverse direction from the adjacent one. It resembles the herringbone textile fabric.
Industry:Mining
In mineral deposits, a texture in which gangue is replaced by automorphic minerals. Compare: atoll texture
Industry:Mining
In mineral deposits, an original texture that remains after partial or total replacement.
Industry:Mining
In mineral dressing, a flow line in which the solid particles pass from one appliance to the next without being screened, classified, or otherwise checked for quality; no fraction is returned for retreatment.
Industry:Mining
In mineral deposits, texture produced when exsolved or replacement mineral crystals are arranged in a triangular pattern, following the crystallographic directions of the host mineral.
Industry:Mining
In mineral dressing, material finer than 400 mesh that must be sized by elutriation in rising currents of water or air, by microscopic counts, or other methods.
Industry:Mining
In mineral dressing, the degree of liberation of a certain mineral or phase is the percentage of that mineral or phase occurring as free particles in relation to the total of that mineral occurring in the free and locked forms.
Industry:Mining
In mineral dressing, the degree of locking of a mineral is the percentage occurring in locked particles in relation to the total occurring in the free and locked forms.
Industry:Mining
In mineral dressing, unusually rich pieces of ore or characteristic constituents thereof in coarsely crystalline form--not representative samples.
Industry:Mining
In mineral exploration drilling, a diamond bit set with 100% size or smaller diamonds.
Industry:Mining
