Reserves and grade Chinese bauxite Table 6.
Table 6 Â China bauxite reserves and grades | ||||||
Serial number | Place of origin | Industrial reserves / tons | Prospective reserves / tons | Total reserves / tons | Al 2 O 3 /% | A/S |
1 | Shanxi Province | 9084 | 55916 | 65000 | 64.5 | 5.1 |
2 | Guizhou Province | 10665.1 | 31276.3 | 41941.4 | 65.28 | 6.28 |
3 | Henan Province | 18700 | 15300 | 34000 | 　 | 　 |
4 | Guangxi Zhuang Autonomous Region | 6268 | 10298 | 16566 | 63.5 | 14.8 |
5 | Yunnan Province | 907.3 | 9281.9 | 10189.2 | 62 | 6 |
6 | Shandong Province | 2954 | 2258 | 5212 | 63 | 4 |
7 | Sichuan Province | 1128 | 1279 | 2407 | 62.54 | 5.67 |
8 | Hainan | 　 | 　 | 2230 | 41~44 | 6 |
9 | Shaanxi Province | 　 | 　 | 1696.6 | 60~65 | 6 |
　 | National total | 　 | 　 | 180000 | 65 | 4~6 |
The characteristics of Chinese bauxite are: diaspore type, high in A1 2 O 3 content, up to 60%. The SiO 2 content is also high, and the A/S is low, generally 4-6. The amount of rich ore is small and scattered.
China is also rich in nepheline resources. In the old areas of Yunnan Province alone, the initial survey shows that the reserves amount to 3 billion tons, of which C 1 +C 2 is 280 million tons, and the grade is A1 2 O 3 24, K 2 O8%-10%, which is characterized by a high K. There are also nepheline resources found in Sichuan Province.
China also has abundant alum resources. There are reserves in Lushan, Pingyang, Zhejiang Province: A+B+C 1 +C 2 grade 140 million tons, alumite content 46.31%; outside surface 104 million tons, alumite content 32%. Reserves in Lujiang, Anhui Province: Table: B+C 1 +C 2 level 130 million tons, alumite content 38.7%; table rich ore 0.6 million tons, alumite content 47.5%.
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