The Legacy of Copper Mining in Arizona

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Presentation transcript:

The Legacy of Copper Mining in Arizona http://www.youtube.com/watch?v=BucmR-kWwmo Arizona Experience Surface Vs. Underground https://www.youtube.com/watch?v=FcTEcK_ZIws

Cookie Mining Lab

Economics of Mining Miners purchase land and equipment Miners pay for mining operations and reclamation Miners receive money for ore mined Miners want to make as much money as possible

Mining Terms Reclamation-miners must put the land back how they found it Ore-a naturally occurring material from which valuable minerals can be extracted at a profit. Gangue-useless rock that ore must be extracted from. In this case, chips are the ore and the rest of the cookie is the gangue

Step 1: Apply for credit. Each miner may apply for up to $20.00 credit. This money must be paid back at the end of the mining operation. Step 2: Buy a mine. Mines and values will vary. Choose between: Chips Ahoy $3.00 Chewy Chips Ahoy at $6.00 Chunky/M&M Chips Ahoy at $9.00

Step 3: Find the area of your mine. Place your cookie on the graph paper and trace the outline of the cookie. Count each square that falls within the circle. Partial squares count as full squares. Miners will attempt to restore the land (cookie) to its original shape after the ore (chips) has been removed.

Step 4: Rent equipment. Flat toothpicks are $2.00 Round toothpicks are $5.00 Paper clips are $6.00 If any equipment is returned broken, the miner will be charged an extra fee, double the rental price (Ex. If you break a flat toothpick you’ll pay a total of $6.00)

Mining/Reclaiming time costs $2.00 per minute Step 5: Mine! You cannot touch the cookie with your hands; it can only touch the graph paper and the mining tools. Mining/Reclaiming time costs $2.00 per minute You must be able to fit the remaining cookie back in its graph paper outline, so try not to disturb the cookie as you mine RECORD START TIME NOW!!

Step 6: Find the total value of your ore. Chocolate Chunks are worth $10.00 Chocolate Chips are worth $8.00 Partial Chips and Chips with 25-50% impurities are worth $4.00

Step 7: Find costs of reclamation. After you have finished mining you have to restore the landscape to its original condition. Transport the remaining cookie (the gangue) back to the graph paper tracing. Any squares outside of the tracing that get filled or partially filled with cookie, cost the miner $1.00 each. You may not use your hands to transport the cookie; you can only use your mining tools!