River delta The Okavango Delta in Botswana is one example. The generic term "mega delta" can be used to describe very large Asian river deltas, such as the Yangtze, Pearl, Red, Mekong, Irrawaddy, Ganges-Brahmaputra, and Indus. The formation of a delta is complicated, multiple, and cross-cutting over time, but in a simple delta three main types of bedding may be distinguished: the bottomset beds, foreset/frontset beds, and topset beds. This three part structure may be seen in small scale by crossbedding. The Ganges/Brahmaputra combination delta, which spans most of Bangladesh and empties into the Bay of Bengal, is the world's largest delta.
Indus River Delta-Arabian Sea mangroves grey mangroves and red mangroves have been established and a further of red mangrove restored. Indus River Delta-Arabian Sea mangroves The Indus River Delta-Arabian Sea mangroves are a large mangrove ecoregion on the Arabian Sea coast of Sindh Province, Pakistan. The Indus River Delta forms a vast alluvial fan composed of mud flats interspersed with channels and fringed with mangrove forests. Much of the forested area has been destroyed and the remaining parts are threatened. With a length of , the Indus River is one of the longest rivers in the world, starting in the glaciers of the Himalayan range