Uranium ore refers to rocks or minerals that contain a radioactive substance called uranium. This ore is the source used to extract uranium, which is often used as fuel to produce nuclear energy. Full definition
The amount of uranium ore of high enough grade for use in thermal uranium based reactors is not so plentiful that it would last very long in worldwide use. (judithcurry.com)
The element later turned up in uranium ore deposits, where natural radioactivity can produce traces of plutonium. (discovermagazine.com)
Uranium - series disequilibrium dating of secondary uranium ore from the south Eastern Desert of Egypt Contents. (myintimcity.com)