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In the late 1980s, the only mineral exploited in Chad was sodium carbonate, or natron. [1] Also called sal soda or washing soda, natron was used as a salt for medicinal purposes, as a preservative for hides, and as an ingredient in the traditional manufacture of soap; herders also fed it to their animals. [1]
The geology of Chad includes an area of metamorphic rocks of Precambrian age surrounding the Chad Basin which is floored with Tertiary and Quaternary sediments.There are Precambrian rocks in the Tibesti Mountains in the north and the east while in eastern Chad are basement rocks, some of which extend into Darfur in neighbouring Sudan.
This is an incomplete list of television programs formerly or currently broadcast by History Channel/H2/Military History Channel in the United States.
The Tibesti Mountains are a mountain range in the central Sahara, primarily located in the extreme north of Chad, with a small portion located in southern Libya.The highest peak in the range, Emi Koussi, lies to the south at a height of 3,415 meters (11,204 ft) and is the highest point in both Chad and the Sahara.
The mountain has played an important role in the research and discovery history of the Tibesti. [ 13 ] Emi Koussi rises to a height of 3,415 metres (11,204 ft) on the southern side of the volcano, [ 14 ] [ 15 ] towering 3 kilometres (1.9 mi) above the surrounding terrain. [ 16 ]
Chad de Guzman. September 11, 2024 at 10:35 AM. Credit - Trump: Alex Brandon—AP; Harris: Win McNamee—Getty Images ... who has a history of engagement with the country, ... critical minerals ...
Pliny the Elder listed it as a mineral common in India, while the historian Yu Huan (239–265 AD) of China listed this 'fireproof cloth' as a product of ancient Rome or Arabia (Chinese: Daqin). [5] Although documentation of these minerals in ancient times does not fit the manner of modern scientific classification, there was nonetheless ...
how the earth was made premiered as a 90-minute documentary special, narrated by Edward Herrmann, that aired on the History Channel on December 16, 2007, and focused on the geological history of Earth. The History Channel released the original documentary film to Region 1 DVD through Warner Home Video on April 15, 2008, and to Blu-ray through A ...