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Distribution of the world's vermiculite resour
Time£º2012/1/11 15:24:49¡¡Hits£º8416´Î
The world has about 600 million tons of vermiculite reserves, including China and Russia reserves about two-thirds, the other main distribution in the United States and South Africa.
In the USA, the vermiculite mainly distributed in the LIBBY of Montana, and the reserves is about 80 million tons, it is the world's largest vermiculite mineral orefield, which accounts for about two-thirds in the USA.
Total reserves of the South Africa is about 73 million tons, and the main area is Palabora region, and it's vermiculite reserves accounts for about more than 90% in the South Africa. The former Soviet Union has about more than 20 vermiculite ore deposits. And the exceptional large ones are Kefuduoer and Bo Daning ore deposits, which have the reserves of about 200 million tons.
The vermiculite resources distribution of China
Vermiculite resources in our country has a wide distribution, but many distribution are located in the northern China, mainly in Xinjiang, Hebei, Inner Mongolia, Liaoning, Shanxi, Shaanxi and other provinces; some are also distributed in Sichuan, Hubei, Gansu and other provinces, mainly located in the metamorphite area.
The largest and the most representative one is the Qieganbulak vermiculite mineral area in Yuli County of Xinjiang province. And its reserves rank second in the world, which account for more than 90% of China. Our Chinese vermiculite has the maximum expansion factor through the burning test.
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