Ch 14 Geology & Nonrenewable Mineral Resources Read Ch 14 & answer the following – you may attach additional pages if needed 1. Name_____________________________ Date__________________ Per________ Summarize the General Mining Law of 1872. __________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 2. Describe each portion of the earth’s structure: Description Core Mantle Crust Asthenosphere Lithosphere 3. Define the following terms: Definition Convection Divergent plate boundary Convergent plate boundary Transform plate boundary Subduction 4. Use Fig 16-4 to determine the type of plate boundary at each of the following geographic locations. If you’re not sure where the following are located refer to a map or http://earth.google.com/ _____ Andes Mountain range _____ Mid-Atlantic Ridge A. Divergent plate boundary _____ Iceland B. Continental-continental convergent plate boundary _____ California C. Continental-oceanic convergent plate boundary (subduction zone) _____ Mariana Trench D. Oceanic-oceanic convergent plate boundary (subduction zone) _____ Himalayas E. Transform-fault boundary _____ Red Sea 5. Describe the 3 types of weathering and give examples of each: Type of weathering Description 6. Example/s List 3 effects of earthquakes: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 7. How can people reduce the loss of life and property from earthquakes? ____________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 8. List 3 effects of volcanic eruptions: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 9. How can people reduce the loss of life and property from volcanic eruptions? ________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 10. Define and give examples: Define Mineral Rock Examples 11. Describe source material and process that forms each of the following types of rocks and give examples of each: Rock type Source material/s Rock forming process Examples Igneous Sedimentary Metamorphic 12. List the 3 types of nonrenewable mineral resources and give examples of each: Type of nonrenewable mineral resource Examples 13. Describe 2 ways that mining companies locate mineral deposits: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 14. Describe each of the following mining methods: Open-pit mining Dredging Area strip mining Contour strip mining Mountaintop removal Subsurface mining 15. Describe the Surface Mining Control and Reclamation Act of 1977. ________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 16. List the pros and cons of subsurface mining: Pros Cons 17. List and describe the environmental effects of mining mineral resources: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 18. Approximately how much mining waste is used to make 2 gold wedding rings? _______________________________________ 19. Define the following mining terms: Ore Reserves Overburden Spoils Gangue Tailings Smelting Grade Economic depletion Depletion time 20. What can be done to extend depletion time? __________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 21. What is full cost pricing? Do you favor this approach? Explain. ___________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 22. Describe how microorganisms can be used to extract minerals and the advantages & disadvantages of this method. _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ _______________________________________________________________________________________________________ 23. List and describe the sources of mineral resources in the ocean: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ 24. List 2 possible substitutes for nonrenewable mineral resources and their advantages: ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ ___________________________________________________________________________________________________ Sign here to acknowledge all of the responses above are your original work: ________________________________