3 ms·

https://www.sciencedirect.com/science/article/abs/pii/S0016703799000241 https://www.sciencedirect.com/science/article/abs/pii/S00167... https://www.nature.com/a

• pfdietz 5y ago
  The first of those is simply talking about REEs as tracers. This is a common practice in geochemistry. The other two are not talking about any current mining. Seafloor mining has been discussed for decades, and generally has gone nowhere.