Are you ready to make some noise? Wait, not that sort of rock. Today, we"re all about granite, limestone, and slate. There are three types of rock: igneous rocks formed from magma and lava; sedimentary rocks made from a mixture of particles like sand and mud; and metamorphic rocks that are the result of heat and pressure on other kinds of rock.
International Rock Day
Today in History
More Desktop Wallpapers:
-
Defying gravity on a swing ride
-
Talk like a pirate—or walk the plank
-
A wonderland in winter
-
Bow Bridge in Central Park, New York City
-
Our Lady of the Rocks
-
There was gold in them there hills…
-
Grand Canyon National Park anniversary
-
A hermitage with a view
-
Dunluce Castle, County Antrim, Northern Ireland
-
The most wonderful day of the year. Period.
-
Just another day in paradise
-
Whale hello there!
-
International Day of Light
-
An island hopper s paradise
-
Valentines Day
-
Summertime in Alaska
-
A bite of ancient history
-
Ingenuity in action on the Santa Monica Pier
-
Skyscraper Day
-
Gem State views
-
Purple flowers and Golden Week
-
Hey neighbor, it s World Space Week!
-
Bernina Pass, Graubünden, Switzerland
-
Even nature needs a backup plan…
-
World Lizard Day
-
Burrowing owls
-
Atop the Needle of Chamonix
-
Killer whales in Spildra, Norway
-
From Sputnik to extraterrestrial storms
-
Bisti/De-Na-Zin Wilderness, New Mexico
Bing Wallpaper Gallery

