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