Thar Desert view the fragile and beautiful ecosystem of the Thar desert. This form of tourism provides income to many operators and camel owners in Jaisalmer as well as employment for many camel trekkers in the desert villages nearby. People from various parts of the world come to see the Pushkar ka Mela (Pushkar Fair) and oases. Rajasthan is pre-eminent in quarrying and mining in India. The Taj Mahal was built with white marble mined from Makrana in Nagaur district. The state is the second largest source of cement in India. It has rich salt deposits at Sambhar. Jodhpur sandstone is mostly
Thar Desert takes a fine finish. Heartwood contains quinoid. The wood is excellent for firewood and charcoal. Cattle and goats eat leaves of the tree. Camels, goats and sheep consume flowers and pods. "Tecomella undulata" plays an important role in the ecology. It acts as a soil-binding tree by spreading a network of lateral roots on the top surface of the soil. It also acts as a windbreak and helps in stabilizing shifting sand dunes. It is considered as the home of birds and provides shelter for other desert wildlife. Shade of tree crown is shelter for the cattle, goats and sheep