A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of ... of sedimentary rock formation, some of the minerals in the ...

All rocks are made of one or more minerals. Minerals are solid, naturally occurring substances with well-defined crystal ...

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 ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

Primary minerals form at elevated temperatures from cooling magma during the original solidification of rock or during metamorphism, and they are usually derived from igneous and metamorphic rocks ...

The film also covers the formation of different types of rocks—igneous, sedimentary, and metamorphic—and highlights the economic value of minerals, mining practices, and the importance of ...