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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Corkscrew Swamp Sanctuary
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Defying gravity on a swing ride
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And they’re off!
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Festivus
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Meet the slowest flirt in the animal world
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Carnival comes to Olinda
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A light at the edge of the world
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Rocks on the move
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The puffin-rabbit connection
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In celebration of cats
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Cecil Brewer Staircase, London
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Does this shark have an Irish accent?
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A young jaguar on a riverbank, Pantanal, Brazil
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Paper lanterns on the longest night
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World Octopus Day
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World Octopus Day
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National Hummingbird Day
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Green fields of grain
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Juneteenth
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Upstate autumn
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A misty morning in Brazil
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Bobbing for crab apples
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Cousins Day
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Glass footbridge in Zhangjiajie, China
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50 years of the Endangered Species Act
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Fall comes to Pando
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Gunnerside, Yorkshire Dales National Park, England
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Celebrating the UN’s International Day of Families
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A look at Uranus, seventh planet from the sun
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On the lookout for Sheep-Cote Clod