USGS: Science Topics: barium

Science Topics

Barium

Alkaline earth element with symbol Ba and atomic number 56 <http://periodic.lanl.gov/56.shtml>

Subtopics:
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Groundwater quality in the Madera and Chowchilla subbasins of the San Joaquin Valley, California [More info]: Uranium, arsenic, and nitrate were the inorganic constituents that were most frequently detected at high concentrations, mostly in shallower wells. High and moderate concentrations of arsenic were detected in deeper wells.
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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