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CH 15 NONRENEWABLES. I.Mineral Resources _____-rock w/ enough minerals to extract w/ a profit! Identified reserves, undiscovered reserves, reserves II.Finding.

Published byGrace O’Brien’ Modified over 8 years ago

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Presentation on theme: "CH 15 NONRENEWABLES. I.Mineral Resources _____-rock w/ enough minerals to extract w/ a profit! Identified reserves, undiscovered reserves, reserves II.Finding."— Presentation transcript:

1 CH 15 NONRENEWABLES

2 I.Mineral Resources _____-rock w/ enough minerals to extract w/ a profit! Identified reserves, undiscovered reserves, reserves II.Finding and Removing the Goods! Surface vs Subsurface mining Overburden-_____ vs Spoils-________

3 a.Surface mining methods MTR, Open Pit Mining, Strip Mining, Contour Strip Dredging

4 “One of the greatest environmental and human rights catastrophes in American history is underway just southwest of our nation's capital. In the coalfields of Appalachia, individuals, families and entire communities are being driven off their land by flooding, landslides and blasting resulting from mountaintop removal coal mining. “ MTR VIDEO

5 b. Subsurface mining-_____ pros/cons____ Surface Mining Control and Reclamation Act of 1977..1.regulate 2. reclaim III. Environmental Problems Land disruption, collapse, erosion, ponds leak, emission of toxic chemicals,water pollution

6 Acid Mine Drainage (AMD): ______ FeS2 + 3.75 O2 + 3.5 H2O = Fe(OH)3 + 2 H2SO4

7 Products: ore, waste (gangue/tailings), smelting IV. Supply Depends on: consumption and how much available (actual/potential) Depletion time: General Mining Law of 1872

8 V. Energy Resources- What is net energy?

9 Peak Oil? Hubbert Curve?

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