Iron

Want to read the rest of this paper? Join Essayworld today to view this entire essay and over 50,000 other term papers

is formed in shallow seas. It comes out of the water and collects
on the sea floor. This creates an underwater deposit. This process occurs over
billions of years. Through plate movement the whole sea floor is eventually
moved up out of the water. Once out of the water, the iron has formed a land
deposit. The biggest iron deposit in the United States is in the Great Lakes.
Northern Minnesota is often called the Iron Range. There are two ways iron
deposits are located. In the first method special machines that detects the
iron's magnetism are used ti find a deposit. In the second method a plane with
special equipment flies over an area of land suspected of having ore deposits
and shoots down sound waves to determine if that area contains iron deposit.
The waves come back up to the plane and determined by the pattern one can tell
if there is an iron deposit.
In the early 1990's annual production of iron ore in the United State
exceeded 56 million metric tons ...

Get instant access to over 50,000 essays. Write better papers. Get better grades. Already a member? Login

CITE THIS PAGE: