USGS: Science Topics: iron

Science Topics

Iron

Metal element with symbol Fe and atomic number 26 <http://periodic.lanl.gov/26.shtml>

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Trace metals related to historical iron smelting at Hopewell Furnace National Historic Site, Berks and Chester Counties, Pennsylvania [More info]: Iron ore containing elevated concentrations of trace metals was smelted here during 113 years of operation (1771-1883). We sampled a variety of materials nearby to determine the amount of metals such as arsenic, chromium, copper, lead, and zinc.
Flow studies for recycling metal commodities in the United States [More info]: What happens to all the scrap metal? How well does recycling work? This guide explains what we know about the overall processes of recycling various metals.
Preliminary Assessment of Non-Fuel Mineral Resources of Afghanistan, 2007 [More info]: Estimates of known and undiscovered copper resources total nearly 60 million metric tons of copper. Iron resources in known deposits total 2200 million metric tons of ore. Twenty mineralized areas meriting further study were identified.

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