Several South American countries list uranium among their mineral resources, but the most notable one is Argentina.

Here's why:

* Significant deposits: Argentina possesses significant uranium reserves, estimated to be among the largest in the world.

* Active mining: Argentina has a long history of uranium mining, with several active and inactive mines.

* Nuclear power: Argentina is a major player in nuclear power, with a number of nuclear power plants operating.

While other South American countries may have uranium deposits, they are not as significant or actively mined as in Argentina.