- المجال: 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 ...
A variety of kriging that assumes that local means are relatively constant and equal to the population mean, which is well known. The population mean is used as a factor in each local estimate along with the samples in the local neighborhood. This is not usually the most appropriate method for environmental situations.
Industry:Mining
A variety of kriging which assumes that local means are not necessarily closely related to the population mean, and which therefore uses only the samples in the local neighborhood for the estimate. Ordinary kriging is the most commonly used method for environmental situations.
Industry:Mining
A variety of labradorite displaying an internal play of colors. See: labradorescence
Industry:Mining
A variety of marcasite. It is an aluminum silicate mineral Al 2 SiO 5 that occurs usually in blue thin-bladed triclinic crystals and crystalline aggregates.
Industry:Mining
A variety of marcasite. It is an aluminum silicate mineral Al 2 SiO 5 that occurs usually in blue thin-bladed triclinic crystals and crystalline aggregates.
Industry:Mining
A variety of melanterite containing copper (4.40% CuO) and magnesium (4.29% MgO). Also spelled kuprojarosit.
Industry:Mining
A variety of monoclinic pyroxene, commonly augite or diopside, containing manganese and zinc; forms large, coarse crystals having rounded edges and uneven faces; at Franklin, NJ.
Industry:Mining
