Lava rock and pea gravel are among the most popular types of landscaping rocks, followed by crushed granite, boulders, river rock, gravel, brick chips, marble rocks, and flagstone.

Industrial waste can turn into rock in as little as 35 years, new research reveals, instead of the thousands or millions of years previously assumed. The finding challenges what scientists know about ...

Nature - Distribution of Radioactivity in Rocks and Minerals, and the Effect of Weathering on Determinations of Uranium Skip to main content Thank you for visiting nature.com.

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.