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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Room at the top?
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Provence blooms with lavender at Sénanque Abbey
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Remembering the Velvet Revolution
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Salt evaporation ponds on the island of Gozo, Malta
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Longer days mean warmer sand
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Adorably evolutionary sea sheep
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Beaver achievers
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Illuminated Uluru
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Welcome to my neck of the woods
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The largest living organism on Earth
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Zelenci Nature Reserve, Slovenia
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New Zealand s loneliest mountain
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Happy Fat Tuesday!
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European hedgehog
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A wonder in winter
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Finding a balance between wetlands and water treatment
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What a twist
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Frost-covered dunes on Mars
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Antarctica Day
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Audubon Christmas Bird Count
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Fannette Island, Lake Tahoe
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What kind of bird laid these eggs?
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Blackbird in Essex, England
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Harvest time in the Palouse
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Rockin with the rockhoppers
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Chapel on the rock
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Silent night, sparkling lights, and hearts full of joy
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Visiting a Maratha fortress
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Welcome to California
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Hyalite Creek at Custer Gallatin National Forest, Montana
Bing Wallpaper Gallery

