Principal Commercial Centres Muscat is the principal commercial centre, covering Muttrah, Ruwi and Seeb. Other important centres are Sur, Nizwa and Suhar in the north and Salalah in the southern region of Dhofar. Crops include dates, tomatoes, limes, lucerne, alfalfa, bananas. The fishing industry is being developed. Camels and cattle are also important.
Oman is relatively rich in minerals.
There are extensive deposits of copper ore. By products include smaller amounts of gold and silver. Oman has numerous oil fields. Oil is Oman's main source of revenue. Oman has natural gas reserves, which play an important role in the development of the economy.