Lesotho Water and diamonds are Lesotho's significant natural resources. Water is used through the 21-year, multibillion-dollar Lesotho Highlands Water Project (LHWP), under the authority of the Lesotho Highlands Development Authority. The project commenced in 1986. The LHWP is designed to capture, store, and transfer water from the Orange River system to South Africa's Free State and greater Johannesburg area, which features a large concentration of South African industry, population, and agriculture. Completion of the first phase of the project has made Lesotho almost completely self-sufficient in the production of electricity and generated approximately US$70 million in 2010 from the sale of
Geology of Lesotho the Lower Karoo which hosts the coal seams does not outcrop in Lesotho. The country has quarrying of Quaternary clay deposits, Drakensberg Group fine-grained basalts and sandstones in the Elliot, Molteno and Clarens Formations. Geology of Lesotho The geology of Lesotho is built on ancient crystalline basement rock up to 3.6 billion years old, belonging to the Kaapvaal Craton, a section of stable primordial crust. Most of the rocks in the country are sedimentary or volcanic units, belonging to the Karoo Supergroup. The country is notable for large fossil deposits and intense erosion due to high rainfall and a rare