Exam 14: Geology and Nonrenewable Mineral Resources

Some analysts think we should be asking how we can decrease our ____________________ and ____________________ of nonrenewable resources rather than how can we get more.

Which of the following does mining not cause?

The figure above shows the depletion curves for a nonrenewable resource such as aluminum or copper.Identify the statement below that corresponds to the correct curve on the graph.Use the Figure above to answer the following question(s). -Recycle; increase reserves by improved mining technology; higher prices and new discoveries.

Large sections of the earth's crust, called ______________, move slowly on the mantle below them.

The advantages of using microorganisms for mining include all of the following, except

The United States subsidizes mining companies through depletion allowances that amount to ____% of their gross income from mining and processing.

If all nations extract metal resources at the same rate as developed nations do today, there may not be enough metal to meet the demand, even with extensive recycling.

Major earthquakes measure from 7.0-7.9 on the Richter scale.

Tidal waves in the open ocean can travel as fast as jet airplanes.

Each year the General Mining Law of 1872 allows companies to remove at least $4 billion of hard rock minerals from public lands and pay what percentage of the value of the minerals to the U.S.?

When two continental plates collide they form ____________________.

It will cost the U.S.taxpayer approximately ____________________ dollars to clean up the 500,000 mining sites that have been abandoned.

Granite is what type of rock?

The mining law that governs the exploration and mining of hard rock minerals on U.S.public lands was passed into law in what year?

What part makes up 71% of the crust?