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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Old Fortress, Corfu, Greece
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Yosemite National Park turns 132
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Ruins of Inca temples and terraces on Huayna Picchu, Peru
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Autumn comes to the Porcupines
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Barn owl, England
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Museum Night in Berlin
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Party like it’s 5779
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Bryce Canyon National Park turns 100
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A river runs through it
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A plot was afoot
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Summer solstice
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Santorini through the clouds
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Happy Birthday, Eiffel Tower
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Night of the ‘Cold Moon’
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A cry for independence
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Look before you leap
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Over and under the delta
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Northern cardinal in winterberry bush
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Goðafoss waterfall, Iceland
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A bohemian feline
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The globe skimmers return
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Mount Field National Park, Tasmania, Australia
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World Water Day
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Happy Pi Day!
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Penn Station
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Smoking nights in Austria
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It s time to fall back
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‘Ocian in view! O! The joy.’
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Old Town in Prague, Czech Republic
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Mount St. Helens National Volcanic Monument, Washington