The problem is that there was a previous plant there (processing material from the local tin ores) which left quite a bit of radioactive residue around the place.
FORBES: The Rare Earths Shortage Isn't Over Yet
This approach will, however, require intelligent robots which can work by themselves for years, digging and processing the desirable material.
ECONOMIST: Mining asteroids: Going platinum | The
Iran says it has begun operations at two uranium mines and a uranium ore processing plant, furthering its capacity to produce nuclear material.
BBC: Iran unveils uranium activities at Saghand and Ardakan
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