Iran widely distributed earth onyx marble worry stone

Iran has 32 provinces, each of which has the rich granite and the marble .Viewing from the Iranian country's geographical position that the north has the hole stone and earth onyx worry stone, the south has the rich variety, middle the Dali pit hole stone resources are many, the granite resources are few. Its national boundary peripheral locality by resources primarily.Iran has already verified at present the stone material reserves approximately is 27,000,000,000 tons, about 3800 Chu ores distribute in the nation.
At present earth onyx marble worry stone has mined in the frame is 56 kinds, the year yield approximately is 150,000,000 tons, the yield only accounts for the ultimate reserves 0.55%, forecast that may mine about 180 years. At present Iran faces the question is the government gives the mineral resource the development support and the tightness of money, moreover the government not yet encourages the foreign investor to participate in the large-scale mine at present mining. 90% mines manage by the Private enterprise, the country only manages the output value high product after the company .
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