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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] Natron deposits were located around the shore of Lake Chad and the wadis of Kanem Prefecture, [1] and near the oasis of Faya ...
Natron is white to colourless when pure, varying to gray or yellow with impurities. Natron deposits are sometimes found in saline lake beds which arose in arid environments. Throughout history natron has had many practical applications that continue today in the wide range of modern uses of its constituent mineral components.
Trou au Natron (French: "hole of natron") or Doon Orei (Teda: "big hole") [1] is a volcanic caldera of the Tibesti Massif in the nation of Chad in Northern Africa. [ 2 ] [ 3 ] The volcano is extinct. It is unknown when it last erupted.
Inside of Trou au Natron are four [25] recent basaltic volcanic cones, [5] the most remarkable of which is the 75-metre (246 ft) high Moussosomi, which has erupted a lava flow. [35] Three of these cones are deeply eroded. [30] Cones are also located outside of the Trou au Natron, and their eruption products have in part flowed into the crater. [36]
Location of Chad. Chad is a landlocked country in Central Africa. Chad's currency is the CFA franc. In the 1960s, the Mining industry of Chad produced sodium carbonate, or natron. There have also been reports of gold-bearing quartz in the Biltine Prefecture. However, years of civil war have scared away foreign investors; those who left Chad ...
It covers the Chad part of Lake Chad bordering a cordon of dunes on the northeast called the "erg" while the southern limits of the lake consists of plains. It is a composite of "open waters, islets and sandbanks , polders , oases and temporary and permanent "natron" or alkalai pools" covering all the four nations which share it.
Between Lake Chad and Fezzan lay a sequence of well-spaced wells and oases and from Fezzan there were easy connections to North Africa and the Mediterranean. Many products were sent north, including natron (sodium carbonate), cotton, kola nuts, ivory, ostrich feathers, perfume, wax, and hides, but the most profitable trade was in slaves.
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