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19:25
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Originally posted by chicodechico:
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mileraFC wrote:The key components of a clay based rare earth deposit are: 2) to decent depth and thickness 3) reasonable grade 4) and probably most importantly they are ionic or the rare earths are capable of being leached/separated from the clays
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…. and how ionic it is determines the level of acid required. I think the examples you are referring to have very low ionic component which then requires very high acid component to seperate REE, which also has a very high cost attached to it. So that test of how ionic is critical.
