Here's why:

* Geological Formations: Oklahoma sits on top of the Ancestral Rocky Mountains, which were eroded over millions of years. The underlying rocks contain traces of uranium, and these rocks can be found throughout the state.

* Natural Occurrences: Uranium is naturally occurring in the Earth's crust. Even if it's not concentrated in large deposits, it can be found in very small amounts in various geological formations.

* Past Exploration: There have been some past explorations for uranium in Oklahoma, particularly in the Wichita Mountains region. While these explorations didn't yield large deposits, they do indicate the potential for uranium to exist in the state.

However, it's important to note:

* No Commercial Deposits: No significant or commercially viable uranium deposits have been discovered in Oklahoma.

* Limited Research: There's limited research and data available on uranium occurrences in the state.

* Regulations: Any attempt to extract uranium would be subject to strict environmental regulations.

In summary: While Oklahoma doesn't have known large uranium deposits, traces of uranium can be found in the state. It's unlikely that significant amounts would be discovered, and any potential extraction would face strict regulations.