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Wang said that the group she led had spent 10 years and finally found the world's largest sulphate-type brine potassium deposit in Lop Nor, Xinjiang. The topic “Development and Utilization of Potash Resources in Lop Nur Regionâ€, which she was responsible for, won the 2004 National Science and Technology Progress Award.
The reporter asked: “A scientist from Sweden had traveled to Lop Nur for thousands of miles in the early last century, but he did not find a potash mine. In the following years, some of China’s geological and mining sectors also conducted a series of investigations and studies on Lop Nur. The potash deposit with industrial value could not be found. So, is the potash deposit very rare and difficult to find?†“Yes, the potassium mine is one of China's seven major shortages of minerals, and the import dependency is as high as 85%. However, I am not reconciled to this situation. Our team began to investigate the geological conditions of Qaidam in Qinghai Province and Tarim Basin in Xinjiang from the mid-1980s on the basis that the two basins have the same geotectonics, The natural geography, the Quaternary sedimentary evolution and the ancient climatic conditions, the two basins were connected in the early Quaternary period, and we believe that the Loipong sag is the last gathering place of salt in the Tarim Basin.120,000 square kilometers of Qaidam The basin is rich in potash resources, and the same 560,000 square kilometers of the Tarim Basin should also be enriched with potash resources. Therefore, despite the harsh environment and arduous conditions of Lop Nur, we still look for it. . "Says Wang committee.
The reporter asked: “In addition to the spirit of hard work and the usual exploration methods, will there be theoretical support?†Wang replied: “Yes, the research team focused on breakthroughs in ore prospecting theory because there is no theory. The practice of guidance is unscientific, and it is easy to detour.For many years of work, we have summed up the understanding that 'the formation of the final deep basin potentiate the formation of potash', and proposed that the north of Lop Nor is a favorable prospect for potash-forming areas. â€
Member Wang Lili said that since 1995, her research team has entered Lop Nur eight times to overcome multiple difficulties and finally found an extremely large-potash potash deposit with industrial development value in the dry salt lake area in the north of Lop Nur, and it is also in potash mine theory. The scientific research results have been obtained in the areas of resource evaluation, brine extraction and potassium extraction. Among them, the "high mountain deep basin" theory is developed into the "high mountain deep basin migration" theory. The potassium minerals they have found have proven reserves of 250 million tons. The total scale exceeds the Dahu Lake potash deposits in the United States. It is currently the world's largest sulphate-type brine potassium deposit, and has been identified by the Center for Mineral Reserves Evaluation of the Ministry of Land and Resources as a potential economy. The value of up to more than 500 billion yuan. This result is considered to be the second major breakthrough in the search for potassium in China following the major discovery of the potassium deposit in the Qaidam Basin in the 1950s.
The reporter inquired about vehicles transporting potash from the Kuqa gas pipeline from the West-East Gas Pipeline to the valve station of the Hami section in late November last year. It was not related to their achievements and was answered by Wang. She said that in 2000 the Xinjiang Autonomous Region established the Lop Nur potassium salt development company and has now built a potassium fertilizer demonstration plant with an annual output of 40,000 tons. In 2004, the National Development and Investment Corporation decided to invest RMB 8 billion in the development of potash salt in Lop Nur and build a production enterprise with an annual production capacity of 1.2 million tons of potash fertilizer. The company will eventually build an annual output of 3 million tons of potassium sulfate with an annual production value of RMB 5 billion. large enterprise. This project has become one of the key projects in the development of the western region. At the end of the day, members of the National Committee of the Communist Party of China expressed with confidence that there must be some potassium mineral resources in China. China is not a poor country. The key is to use innovative theories and methods.
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There must be some potassium mineral resources in China—An interview with Wang Lili, a member of the Chinese People's Political Consultative Conference and a member of the Chinese Academy of Geological Sciences
At the resident of the scientific and technological community of the Fourth Session of the Tenth National Committee of the CPPCC, the reporter saw members of the National Committee of the Chinese People's Political Consultative Conference, researchers of the Chinese Academy of Geological Sciences and the former Secretary of the Geological Society of China, Wang Yuli. When reporters showed that it was to understand the situation of China's potassium mineral resources, Wang told reporters that the search for potash deposits with industrial development value was the target for the development of geo-minerals after the founding of New China. After finding a large potash deposit in Qaidam in the 1950s, no breakthrough was made for a long time. So, my colleagues and I are determined to have such a determination: We must find a large potash deposit.