International Rock Day Jul 13, 2024

International Rock Day

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.

© Storm Is Me/Shutterstock

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Today in History

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Jul 13, 2019Batten down the hatches
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Jul 13, 2021Through an artist s eyes
Jul 13, 2022International Rock Day
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Jul 13, 2025Iceland for International Rock Day

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