Mining industry of Chad Mining industry of Chad The only mineral exploited in Chad was sodium carbonate, or natron. 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. Natron deposits were located around the shore of Lake Chad and the wadis of Kanem Prefecture. Natron occurs naturally in two forms: white and black. More valuable commercially, hard blocks of black natron were exported to Nigeria. White natron was sold on local markets, principally in N'Djamena
Fishing in Chad Cameroon, the surplus catch was dried, salted, or smoked before being sold. Between 1976 and 1985, production of dried, salted, or smoked fish was estimated at 20,000 tons annually, representing from 20 to 25 percent of Chad's total annual catch. A large share of the commerce in preserved fish was carried on with markets in Cameroon and Nigeria. Small dried or salted fish called salanga were most popular on the markets of Cameroon. Larger smoked fish called banda were generally exported to the major Nigerian market of Maiduguri. Through the mid-1980s, Chad had taken few steps to control or modernize