Visitors can explore some of the most distinctive rocks anywhere in California ... are excellent examples of a type of volcano called a "cinder cone." Cinder cone volcanoes tend to be steep ...

Snow Canyon State Park is comprised of volcanic cinder cone, sand dunes, deep red and white sandstone cliffs, and twisted ...

In a fascinating intersection of space exploration and Earth science, NASA’s Apollo astronauts once trained on the alien-like ...

There are two main types of volcano - composite and shield ... round hill known as a cinder cone. A lava tube may also form, beneath the surface of the ground, when low viscosity lava develops ...

Volcanic cinders, or rocks, flew 1.3 kilometers. A large volume of volcanic ash is also floating northeast, meteorological officials said. The ash is expected to fall in Kagoshima, Kirishima and ...

Folgheraiter, on the magnetism induced in volcanic rocks by the earth's magnetic field ... probably by the action of water on cinders, &c.

The green sands come from olivine crystals from surrounding lava rocks in the Pu'u Mahana cinder cone of Mahana ... crushed shells, and volcanic deposits. While you’re there, head to the 65 ...