Lesotho The Katse Botanical Gardens houses a collection of medicinal plants and has a large seed bank of plants from the Malibamat'so River area. Lesotho is geographically surrounded by South Africa and economically integrated with it. The economy of Lesotho is based on agriculture, livestock, manufacturing and mining, and depends heavily on inflows of workers' remittances and receipts from the Southern African Customs Union (SACU). The majority of households subsist on farming. The formal sector employment consists mainly of female workers in the apparel sector, male migrant labour, primarily miners in South Africa for three to nine months, and employment by
Geology of Lesotho yield and frequent springs. Steep terrain, rain and snow melt mean that Lesotho has a high risk of landslides. Lesotho has extensive diamond deposits in both kimberlites and alluvial gravel. The country has the highest concentration of kimberlite bodies in the world—a total of more than 400, including 343 dikes, 39 pipes and 23 blows. Northern Lesotho has an average of one kimberlite body for every 10 square kilometers. In spite of the large deposits, very few sites are mined and research is ongoing into alluvial deposits. The Karoo Supergroup hosts low-grade uranium and likely coal and coal-bed methane, although