What facts about rocks do you know? Even though rocks and minerals are abundantly available, many people do not take an interest in them, yet there is a lot to learn about them. Moreover ...

Minerals are typically formed when molten rock, or magma, cools, or by separating out of mineral-rich water, such as that in underground caverns. In general, mineral particles are small ...

5 fast facts about volcanoes Volcanic ash is made of fragments of rocks, minerals and volcanic glass. These pieces are the size of a grain of sand or smaller. The lava that erupts at Hawaii's ...

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 ...

Vitamins and minerals help the body to use other nutrients efficiently. Examples of vitamins include vitamin A which is vital for good eyesight and vitamin K which helps the blood to clot.

“We recovered distinctive patterns in the populations of these mineral grains,” Kirkland told CNN in an email. “In essence the ‘DNA’ fingerprint of these sedimentary rocks changed.