Geology  and nonrenewable mineral resources terms
Geology <ul><li>Study of the earth's dynamic geologic history.  </li></ul>
Earths layers 2 kinds: Oceanic, Continental
Rock Types Caused by heat and pressure Caused by heat and then cooling Caused by weathering of rocks then compaction (pres...
Plate Tectonics (Plates)
Plate Boundries Convergent Transform Divergent Subduction Zone Earthquakes Along Fault
Magma/Lava Magma Lava Composite Volcano
Depletion Time (80%) <ul><li>Time frame in which usually 80% of mineral resource is predicted to be depleted-other 20% cos...
Erosion
High grade Ore <ul><li>Ore containing large amounts of the pure desired mineral </li></ul>That’s some high quality H2O
Mixture <ul><li>One or more elements or compounds…duh </li></ul>
Mineral <ul><li>Naturally occurring, inorganic, crystalline </li></ul>
Mineral resources: Metallic, Nonmetallic
Subsurface mining/Surface mining Subsurface Surface
Strip Mining (area and contour)
Mountain top removal <ul><li>Primarily for Coal </li></ul>Spoils-Unwanted material from the removal of the mineral
Open Pit Mining
Ore Mixture of mineral and impurities mined from ground-Various processes used to purify
Smelting
Subsidence (Due to mining mostly)
Tailings
Issues <ul><li>Resource depletion </li></ul><ul><li>Destruction of natural resources (land, forest, mountains) </li></ul><...
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Mining and Resource depletion

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Terminology regarding mining issues

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Mining and Resource depletion

  1. 1. Geology and nonrenewable mineral resources terms
  2. 2. Geology <ul><li>Study of the earth's dynamic geologic history. </li></ul>
  3. 3. Earths layers 2 kinds: Oceanic, Continental
  4. 4. Rock Types Caused by heat and pressure Caused by heat and then cooling Caused by weathering of rocks then compaction (pressure) Weathering Melting, then cooling Weathering Melting and pressure
  5. 5. Plate Tectonics (Plates)
  6. 6. Plate Boundries Convergent Transform Divergent Subduction Zone Earthquakes Along Fault
  7. 7. Magma/Lava Magma Lava Composite Volcano
  8. 8. Depletion Time (80%) <ul><li>Time frame in which usually 80% of mineral resource is predicted to be depleted-other 20% costs too much </li></ul>
  9. 9. Erosion
  10. 10. High grade Ore <ul><li>Ore containing large amounts of the pure desired mineral </li></ul>That’s some high quality H2O
  11. 11. Mixture <ul><li>One or more elements or compounds…duh </li></ul>
  12. 12. Mineral <ul><li>Naturally occurring, inorganic, crystalline </li></ul>
  13. 13. Mineral resources: Metallic, Nonmetallic
  14. 14. Subsurface mining/Surface mining Subsurface Surface
  15. 15. Strip Mining (area and contour)
  16. 16. Mountain top removal <ul><li>Primarily for Coal </li></ul>Spoils-Unwanted material from the removal of the mineral
  17. 17. Open Pit Mining
  18. 18. Ore Mixture of mineral and impurities mined from ground-Various processes used to purify
  19. 19. Smelting
  20. 20. Subsidence (Due to mining mostly)
  21. 21. Tailings
  22. 22. Issues <ul><li>Resource depletion </li></ul><ul><li>Destruction of natural resources (land, forest, mountains) </li></ul><ul><li>Erosion of land after mining </li></ul><ul><li>Hazardous waste tailings in ground and water </li></ul>
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