The best size of gravel depends on the intended landscaping use and type of rock. To line or mulch a garden bed with smooth gravel, use rocks 1- to 2-inches in diameter.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why don’t rocks burn? – Luke, age 4, New Market, ...

How To. Identify rocks and minerals. Mission. Successfully identify rocks and minerals. Briefing. A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils.

Rocks are made of minerals, and minerals are made of elements, which are substances made of a single type of atom. You can get to know the Earth’s elements by looking at a Periodic Table.

Geologists confirm that industrial waste turns into rock in just 35 years, challenging traditional ideas about geological ...

Currently, he is studying the properties of glacially transported sediment and rock deposited in the Lake Erie and Ontario basins. An expert on lunar and Martian geology, DiFrancesco has contributed ...