Thar Desert national average, and overgrazing is also a factor affecting climatic and drought conditions. A large number of farmers in Thar desert depend on animal husbandry for their livelihood. Cows, buffalos, sheep, goats, camels, and oxen consists of major cattle population. Barmer district has the highest cattle population out of which sheep and goats are in majority. Some of the best breeds of bullocks such as Kankrej (Sanchori) and Nagauri are from desert region. Thar region of Rajasthan is the biggest wool-producing area in India. Chokla, Marwari, Jaisalmeri, Magra, Malpuri, Sonadi, Nali and Pungal breeds of sheep are found in the
Thar coalfield metres and rests upon a structural platform in the eastern part of the desert. The generalised stratigraphic sequence in the Thar coalfield area is shown in table. It comprises Basement Complex, coal bearing Bara Formation, alluvial deposits and dune sand. The coal beds of variable thickness ranging from 0.20–22.81 metres are developed. The maximum number of coal seams found in some of the drill holes is 20. The cumulative thickness of the coal beds range from 0.2 to 36 metres. Claystone invariably forms the roof and the floor rock of the coal beds. The coal is brownish black, black and