But even rocks age and eventually erode into dust. The minerals composing gravestones crystallize at high temperatures and pressures inside Earth. Under atmospheric conditions, most minerals are ...

Your show piqued my interest in rock and mineral identification and so I ... Perhaps it isn't the most interesting rock to look at—I certainly love imagining what the area that is now my ...

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 ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...

BISMARCK, N.D. (KFYR) - At the 50th Annual Gem and Mineral Show, local rock lovers could learn more ... from a variety of ...