calcrete
41Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
42paleogeography — paleogeographer, n. paleogeographic /pay lee oh jee euh graf ik/ or, esp. Brit., /pal ee /, paleogeographical, adj. paleogeographically, adv. /pay lee oh jee og reuh fee/ or, esp. Brit., /pal ee /, n. the science of representing the earth s… …
43Tanzania — Tanzanian, n., adj. /tan zeuh nee euh/; Swahili. /tahn zah nee ah/, n. a republic in E Africa formed in 1964 by the merger of the republic of Tanganyika and the former island sultanate of Zanzibar (including Pemba and adjacent small islands).… …
44Orange River — River, southern Africa. It rises in the Lesotho Highlands as the Sinqu River and flows west as the Orange across South Africa. It passes the southern edge of the Kalahari Desert and winds through the Namib Desert before draining into the Atlantic …
45Caprock Escarpment — ▪ geological feature, Texas, United States geological feature, Texas, U.S., that forms a natural transition between the High Plains (west) and the western edge of the North Central Plains (east). It forms the eastern border of the semiarid… …
46mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …
47Namib — ▪ desert, Africa Introduction Portuguese Namibe, a cool coastal desert extending for 1,200 miles (1,900 kilometres) along the Atlantic coast from Namibe (formerly Moçâmedes) in Angola southward across Namibia to the Olifants River in the Cape …
48nitrate and iodate minerals — small group of naturally occurring inorganic compounds that are practically confined to the Atacama Desert of northern Chile; the principal locality is Antofagasta. These minerals occur under the loose soil as beds of grayish caliche… …
49Ayodhya dispute — Demolition of Babri Masjid Babri Masjid Ram Janmabhoomi …
50Mandora Marsh — Great Sandy Desert IBRA bioregion in red Mandora Marsh, also known as Mandora Salt Marsh, is a complex and diverse wetland system in Western Australia close to Eighty Mile Beach, and included in the Eighty Mile Beach Ramsar Site. It lies at the… …
