[inshard]

Thorium is abundant in Sri Lanka’s mineral sands. Mined with dredgers at shallow depths 10-100m off the western coast.

[hunterpayne]

Thorium is abundant anywhere where Rare Earths are mined. You can get it almost anywhere. You don't even mine it, you process it out of tailing piles from other mining operations.

[ta20240528]

Thorium is also a waste product of monazite rare-earth mining.