Erg Chebbi Erg Chebbi Erg Chebbi () is one of Morocco's several ergs – large seas of dunes formed by wind-blown sand. There are several other ergs such as Erg Chigaga near M'hamid. Technically all these ergs are within an area of semi-arid Pre-Saharan Steppes and not part of the Sahara desert which lies some distance to the south. In places, the dunes of Erg Chebbi rise up to 150 meters from the surrounding hamada (rocky desert) and altogether it spans an area of 28 kilometers from north to south and up to 5–7 kilometers from east to west lining the Algerian
Geography of French Guiana Geography of French Guiana French Guiana is an overseas region of France, located on the northern coast of South America between Suriname and Brazil. See also the article on the geography of Suriname. Northern South America and part of Caribbean South America, bordering the North Atlantic Ocean, between Brazil and Suriname. South America. Total: 91,000 km².<br> Land: 89,150 km².<br> Water: 1,850 km². Total: 1,183 km.<br> Border countries: Brazil 673 km, Suriname 510 km (disputed).<br> Coastline: 378 km. Exclusive economic zone: territorial sea: . Tropical; hot. Low-lying coastal plains rising to hills and small mountains, see Guiana Shield. Bauxite, timber, gold