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  1. Ore | Definition, Types & Examples - Lesson | Study.com

    Understand what makes a mineral an ore and learn how ores are formed. Explore examples of ores and discover their composition and use.

  2. A company purchased mining property for $4,875,000 containing an ...

    A company purchased mining property for $4,875,000 containing an estimated 15,000,000 tons of ore. In Year 1, it mined 689,000 tons of ore and in Year 2, it mined 935,000 tons. Calculate the depletion …

  3. Extraction and Processing of Minerals & the Environmental Impacts of ...

    There are a variety of ways that minerals can be mined from the Earth, including surface mining, strip mining, and subsurface mining. Learn more...

  4. Iron | Fe Definition, Properties & Uses - Lesson | Study.com

    Read about iron, represented by the symbol Fe. Learn where iron comes from, what iron ore looks like, how iron is mined, and what iron ore is used...

  5. Geosphere | Definition, Facts & Importance - Lesson | Study.com

    The geosphere provides humans with materials, minerals, and elements, which are all mined from the depths and surface of the crust.

  6. Ancient Gold Mines in Africa - Study.com

    Gold that was mined in Great Zimbabwe was transported to Kilwa Kisiwani in exchange for pottery, porcelain, and silk from China and Persia.

  7. A company purchased a tract of land for its natural resources at a cost ...

    A company purchased a tract of land for its natural resources at a cost of $1,500,000. It expects to mine 2,000,000 tons of ore from this land. The salvage value of the land is expected to be $250,000. If …

  8. Potassium Sulfate | Formula, Properties & Uses - Study.com

    These minerals are mined, then rinsed with water and salt solutions to remove byproducts producing potassium sulfate. Is potassium sulfate a salt? Potassium sulfate can be referred to as a salt.

  9. On July 23 of the current year, Dakota Mining Co. pays $4,715,000 for ...

    On July 23 of the current year, Dakota Mining Co. pays $4,715,000 for land estimated to contain 5,125,000 tons of recoverable ore. It installs machinery costing $410,000 that has a 10-year life and …

  10. Land containing a mine having an estimated 1,000,000 tons of ...

    LC mined the coal and sold it reporting gross receipts of $1 million, $3 million, and $2 million for years 1 through 3, respec A company purchased a tract of land for its natural resources at a cost of …