與稀土有關的統計數據

來源: 2025-10-22 09:18:11 [舊帖] [給我悄悄話] 本文已被閱讀:


1) “稀土”是17種元素的總稱。澳大利亞具有經濟價值的稀土儲量僅占全球總量的6%左右,且以輕稀土為主,而美國國防製造所必需的重稀土資源70%以上集中在中國。這種天然優勢使得澳大利亞無法完全替代中國。

2) the 17 mineral are very similar to each other, it is very hard to seperate them.
 

3)

the following was generated by google search. (heavy rare earth reserve by country)

Country Estimated Reserves (million metric tons)
China 44
Vietnam 22
Brazil 21
Russia 21
India 6.9
Australia 4.2-5.7
United States 1.8-2.3
Greenland 1.5
Tanzania 0.89
Canada 0.83
South Africa

0.79