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  2. East Texas iron ore belt - Wikipedia

    en.wikipedia.org/wiki/East_Texas_Iron_Ore_Belt

    The East Texas iron ore belt refers to a significant region in East Texas characterized by the presence of iron ore deposits, primarily associated with the Weches greensand formation. This area has historical importance in the mining industry, contributing to the supply of iron ore in the United States. Although many counties in this region ...

  3. Heap leaching - Wikipedia

    en.wikipedia.org/wiki/Heap_leaching

    Similar to in situ mining, heap leach mining differs in that it places ore on a liner, then adds the chemicals via drip systems to the ore, whereas in situ mining lacks these liners and pulls pregnant solution up to obtain the minerals. Heap leaching is widely used in modern large-scale mining operations as it produces the desired concentrates ...

  4. Mineral processing - Wikipedia

    en.wikipedia.org/wiki/Mineral_processing

    Mineral processing is the process of separating commercially valuable minerals from their ores in the field of extractive metallurgy. [1] Depending on the processes used in each instance, it is often referred to as ore dressing or ore milling .

  5. Category:Mining in Texas - Wikipedia

    en.wikipedia.org/wiki/Category:Mining_in_Texas

    Pages in category "Mining in Texas" The following 3 pages are in this category, out of 3 total. This list may not reflect recent changes. A. Aurcana Corporation; T.

  6. US proposes ending new federal leases in nation's biggest ...

    www.aol.com/news/us-proposes-ending-federal...

    Conor Bernstein with the National Mining Association said the change to the coal program “handcuffs” the industry's ability to respond to the market and make plans for future mining.

  7. Underground hard-rock mining - Wikipedia

    en.wikipedia.org/wiki/Underground_hard-rock_mining

    There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...

  8. Texas oil and natural gas industry job growth continues to ...

    www.aol.com/texas-oil-natural-gas-industry...

    (The Center Square) – Job growth in the Texas oil and natural gas industry continues to remain strong, contributing to Texas again leading the U.S. in job growth last month. In October, the ...

  9. Mine reclamation - Wikipedia

    en.wikipedia.org/wiki/Mine_reclamation

    Mine reclamation is the process of modifying land that has been mined to restore it to an ecologically functional or economically usable state. Although the process of mine reclamation occurs once mining is complete, the planning of mine reclamation activities may occur prior to a mine being permitted or started. [1]