Water 

Chad is blessed withextensive fish resources in Lake Chad and the Chari River are also of vital importance. Natron (sodium carbonate) is the only mineral extracted in significant quantities.

Oil

The discovery of oil north of Lake Chad led to further exploration and development, and in 2003 Chadbegan producing oil, which quickly became the country’s most important resource and export.

Chad ranks as the tenth-largest oil reserve holder among African countries, with 1.5 billion barrels of proven reserves as of January 1, 2013, according to the Oil and Gas Journal.

Minerals

There are deposits of gold located in various parts of Chad, including those mined in the southwestern part of the country.

Other untapped mineral resources include tungsten, tin, bauxite, iron ore, salt, gravel and titanium.

National Parks

Chad has the 4 National Parks which include the following:

• Aouk National Park
• Goz-Beida National Park
• Manda National Park
• Zakouma National Park

sources

http://www.indexmundi.com/chad/natural_resources.html

http://www.britannica.com/EBchecked/topic/104144/Chad/54930/Resources

http://en.wikipedia.org/wiki/List_of_national_parks_in_Africa#Chad