The Amur region,far east of Russia,is well endowed with phosphate in the forms of phosphorite, apatite,and vivianite.The 500-km<sup>2</sup> Selitkansky phosphorite district has a proven reserve of ca.14.7 ...The Amur region,far east of Russia,is well endowed with phosphate in the forms of phosphorite, apatite,and vivianite.The 500-km<sup>2</sup> Selitkansky phosphorite district has a proven reserve of ca.14.7 million tons（Mt） of P<sub>2</sub>O<sub>5</sub>.The Minsky phosphorite district contains ca.100 Mt phosphor ores at 6%P<sub>2</sub>O<sub>5</sub>.展开更多
文摘The Amur region,far east of Russia,is well endowed with phosphate in the forms of phosphorite, apatite,and vivianite.The 500-km<sup>2</sup> Selitkansky phosphorite district has a proven reserve of ca.14.7 million tons（Mt） of P<sub>2</sub>O<sub>5</sub>.The Minsky phosphorite district contains ca.100 Mt phosphor ores at 6%P<sub>2</sub>O<sub>5</sub>.
