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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Muniellos Nature Reserve
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World Turtle Day
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Honoring some real heroes of World War II
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Great Barrier Reef from above, Queensland, Australia
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Tough turf
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A ‘circus of chaos’ for Stravinsky
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Easter
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Seitan Limania Beach, Crete
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A Latino art exhibition in Denver
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Grand Teton National Park
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A night on the (ghost) town
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Jane’s Carousel delights
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Ice and Snow Sailing World Championships
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Unbearable cuteness
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Lake Bled, Slovenia
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Pacific Rim Whale Festival
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Cuban tody, Alejandro de Humboldt National Park, Cuba
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Vancouver Coastal Sea wolves, Great Bear Rainforest, Canada
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Pink apple blossoms, Avila Beach, California
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A storied trail marks a century
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Sanday Island and the North Sea, Scotland
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A bird of beauty
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Bearded reedlings in Flevoland
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Ölüdeniz, Turkey
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Cherry blossoms spring to life
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Peña Roya beech forest, Moncayo Natural Park, Aragon, Spain
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Here there be dragons
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Cheese! We ll go somewhere where there s cheese!
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Arched iceberg, western Antarctic Peninsula, Southern Ocean
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International Day of Peace
Bing Wallpaper Gallery

