Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to ...

Whether you're really into rocks or just quartz-curious, Kansas City has a source for the minerals, crystals and fossils you ...

With opportunities to dig up and handle amazing rocks and fossils ... Throughout the day, guests can discover exhibits of fossils, minerals, and rocks, along with seeing exciting rock-cutting ...