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 ...

It is part of Buttonwood’s annual Geology Rocks! series ... and samples of minerals and fossils will be available for viewing. For more information about the program or the upcoming field ...

Geologist Jeri Jones will present “Your Backyard Geology” at 7 p.m. at the Church of the Apostles, 336 Barnett Ave. Admission ...