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:
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Flocking together in the Antarctic
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A view fit for a queen
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Where can you find a red fox?
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Russell lupines, Lake Tekapo, New Zealand
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Penguins can t fly!
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Tombeau du Géant in Bouillon, Belgium
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Sea Otter Awareness Week
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World Environment Day
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Independence Day of the Bahamas
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Belize Barrier Reef
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Birch trees, Drammen, Norway
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Vasco da Gama Bridge, Lisbon, Portugal
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There was gold in them there hills…
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Happy Independence Day!
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Serra de Tramuntana, Majorca, Spain
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Beyond Walls for World Refugee Day
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The Unfinished Obelisk near Aswan, Egypt
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In the Supertree Grove
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Who created the Easter Bunny?
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Taking the scenic route to Sturgis
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Bandon Beach in Bandon, Oregon
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World Laughter Day—it s a hoot
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Polar bear capital of the world
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A predator at risk
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Here there be dragons
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Hello, spring!
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Humpback whales in Maui, Hawaii
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Caribbean flamingos, Yucatán Peninsula, Mexico
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Red-leaf hunting in Japan
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Jupiter and the Galilean moons
Bing Wallpaper Gallery

