The Salinas Grandes is a salt desert

Dry lake

Dry lakes are ephemeral lakebeds, or a remnant of an endorheic lake. Such flats consist of fine-grained sediments infused with alkali salts. Dry lakes are also referred to as alkali flats, sabkhas, playas or mud flats...

 in the Córdoba

Córdoba Province (Argentina)

Córdoba is a province of Argentina, located in the center of the country. Neighboring provinces are : Santiago del Estero, Santa Fe, Buenos Aires, La Pampa, San Luis, La Rioja and Catamarca...

 and Santiago del Estero

Santiago del Estero Province

Santiago del Estero is a province of Argentina, located in the north of the country. Neighbouring provinces are from the north clockwise Salta, Chaco, Santa Fe, Córdoba, Catamarca and Tucumán.-History:...

 provinces of the Sierras de Córdoba in Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

. It covers an area of 3,200 mi² (8,290 km²).

It is of industrial importance for its sodium

Sodium

Sodium is a chemical element with the symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. It is an abundant element that exists in numerous minerals, most commonly as sodium chloride...

 and potassium

Potassium

Potassium is the chemical element with the symbol K and atomic number 19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction.Potassium and sodium are...

 mines. Recently the salt flats have been explored for the lithium brine beneath its salt. Recent analysis of core samples place the concentration of Lithium

Lithium

Lithium is a soft, silver-white metal that belongs to the alkali metal group of chemical elements. It is represented by the symbol Li, and it has the atomic number 3. Under standard conditions it is the lightest metal and the least dense solid element. Like all alkali metals, lithium is highly...

 at up to 1,600 ppm. By comparison the average concentration worldwide is 1,100ppm. More significantly, Bolivas Salar de Uyuni

Salar de Uyuni

Salar de Uyuni is the world's largest salt flat at . It is located in the Potosí and Oruro departments in southwest Bolivia, near the crest of the Andes, and is elevated above the mean sea level. The Salar was formed as a result of transformations between several prehistoric lakes...

 is also located in the same region and is estimated to contain up to 80% of the worlds lithium deposits.Category:Deserts of Argentina