Sudan copper, gold, granite, gypsum, iron, kaolin, lead, manganese, mica, natural gas, nickel, petroleum, silver, tin, uranium and zinc. The amount of rainfall increases towards the south. The central and the northern part have extremely dry desert areas such as the Nubian Desert to the northeast and the Bayuda Desert to the east; in the south there are swamps and rainforest. Sudan's rainy season lasts for about three months (July to September) in the north, and up to six months (June to November) in the south. The dry regions are plagued by sandstorms, known as haboob, which can completely block out
Great Sandy Desert Great Sandy Desert The Great Sandy Desert is an interim Australian bioregion, located in the North West of Western Australia straddling the Pilbara and southern Kimberley regions. It is the second largest desert in Australia after the Great Victoria Desert and encompasses an area of The Gibson Desert lies to the south and the Tanami Desert lies to the east of the Great Sandy Desert. The Great Sandy Desert contains large ergs, often consisting of longitudinal dunes. In the North East of the desert there is a meteorite impact crater, the Wolfe Creek crater. The region is sparsely populated. The