The U.S. Department of Energy recently discovered the world’s largest Lithium reserve beneath California’s Salton Sea.
About Salton Sea:
It is a shallow, saline lakelocated in the lower Colorado Desert, southern California,
It is a geological depression tucked between mountain ranges and lying below sea level.
Formation:
The area that is now the lake was formerly a salt-covered sink or depression (a remnant of prehistoric Lake Cahuilla) about 280 feet (85 metres) below sea level until 1905–06, when diversion controls on the Colorado Riverbroke a few miles below the California-Mexico border and floodwaters rushed northward, filling the depression.
Subsequent deepening of the sink was stopped in 1907, when a line of protective levees was built.
It is currently 228 feet below sea level.
It covers an area of 970 square km and includes 130 miles of shoreline.
It has an average depth of 29.9 feet and, at its deepest, 51 feet.
Its salinity(some 45 parts per thousand) far exceeds that of seawater.
The Salton Sea is an important stopping point for migratory waterfowl and serves as a critical habitat for birds moving south to Mexico and Central America.
Key Facts about Lithium:
It is a soft, silvery-white metal that heads group 1, the alkali metals group, of the periodic table of the elements.
Features:
It has the lowest density of all metals.
It is the lightest of the solid elements.
It reacts vigorously with water.
It has a body-centered cubic crystal structure.
Occurrence:
Lithium does not occur as a metal in nature but is found combined in small amounts in igneous rocks.
Lithium is found in brine depositsand as salts in mineral springs.
Its concentration in seawater is 0.1 parts per million (ppm).
Uses:
Lithium is important in rechargeable batteriesfor mobile phones, laptops, digital cameras, and electric vehicles.
It is also used in some non-rechargeable batteries for things like heart pacemakers, toys, and clocks.
Lithium metal is made into alloys with aluminium and magnesium, improving their strength and making them lighter.
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