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125 Years of Science for America - 1879 to 2004
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USGS Frequently Asked Questions

FAQ's about Minerals

What's the difference between a rock and a mineral?
How much gold has been found in the world?
What is "Fool's Gold"?
What is pewter?
What is white gold?
How much silver has been found in the world?
What is a mineral?
How much copper has been found in the world?
Do minerals produce the colors in fireworks?
How do we get minerals?
What is the meaning of the karat mark on gold jewelry?
How many pounds of minerals are required by the average person in a year?
What is sterling silver?
How large is a lifetime supply of minerals for the average person?
What is the U.S. Geological Survey's responsibility related to mining and the environment?
What is mine drainage?
What problems are associated with mine drainage?
How does mine drainage occur?
What can be done to prevent or clean up mine drainage?
What research is being conducted to address the acid drainage problem?
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