As of Volume 36 Issue No. 1 February 2019 "Minerals and Metallurgical Processing" has been renamed "Mining Metallurgy and Exploration" to more closely match the name of the Society for Mining Metallurgy and Exploration. The new ISSNs are ISSN: 2524-3462 print version ISSN: 2524-3470 electronic version . The new website is: www
Mine operators extract minerals from underground mines surface mines and quarries using machinery and explosives. Some extraction processes such as stone quarries may use large quantities of water. After extraction many types of minerals are then subject to processes such as crushing milling washing and chemical treatments.
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Finding and Mining Minerals. Geologic processes create and concentrate minerals that are valuable natural resources. Geologists study geological formations and then test the physical and chemical properties of soil and rocks to lo e possible ores and determine their size and concentration. A mineral deposit will only be mined if it is profitable.
The minerals on Federal lands are divided into three egories each subject to different laws and regulations. Lo able which are subject to the Mining Law of 1872 as amended include gold silver copper and other hard rock minerals. Leasable minerals such as coal and a host of other commodities are subject to various Mineral Leasing Acts.
X-Ray Diffraction XRD is a critical input for mining operations and process control. Mineral speciation can determine grade and processing options. XRD is also critical for identifi ion of problematic gangue minerals that impact mineral processing or cause environmental impacts.
This stage of the mining process requires establishing a path to the mineral deposit. That path however requires more than excavation. In order to even begin work mining rights must be acquired access roads must be constructed to help workers navigate the site and a power source must be established.