<P> The mining of minerals in Nigeria accounts for only 0.3% of its GDP, due to the influence of its vast oil resources . The domestic mining industry is underdeveloped, leading to Nigeria having to import minerals that it could produce domestically, such as salt or iron ore . Rights to ownership of mineral resources is held by the Federal government of Nigeria, which grants titles to organizations to explore, mine, and sell mineral resources . Organized mining began in 1903 when the Mineral Survey of the Northern Protectorates was created by the British colonial government . A year later, the Mineral Survey of the Southern Protectorates was founded . By the 1940s, Nigeria was a major producer of tin, columbite, and coal . The discovery of oil in 1956 hurt the mineral extraction industries, as government and industry both began to focus on this new resource . The Nigerian Civil War in the late 1960s led many expatriate mining experts to leave the country . Mining regulation is handled by the Ministry of Solid Minerals Development, which oversees the management of all mineral resources . Mining law is codified in the Federal Minerals and Mining Act of 1999 . Historically, Nigeria's mining industry was monopolized by state - owned public corporations . This led to a decline in productivity in almost all mineral industries . The Obasanjo administration began a process of selling off government - owned corporations to private investors in 1999 . </P> <P> Mining is the extraction (removal) of minerals and metals from the earth . The Nigerian Coal Corporation (NCC) is a parastatal corporation that was formed in 1950 and held a monopoly on the mining, processing, and sales of coal, lignite, and coke products until 1999 . </P>

Identify four problem affecting the mining industry in nigeria
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