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  • Sandstone Composition: How Tiny Rock Fragments Form This Common Stone
    Yes, that's exactly right! Sandstone is a sedimentary rock, which means it's formed from tiny bits of other rocks that have been cemented together.

    Here's a more detailed explanation:

    * The "sand" part: Sandstone is made from sand-sized particles, which are usually grains of quartz or feldspar. These grains come from the erosion of other rocks, like granite, limestone, or even older sandstone.

    * The "stone" part: Over time, these sand grains get transported by wind, water, or ice and eventually settle in a basin or lake. As more sand accumulates, the weight of the layers presses down on the lower layers, squeezing out water and air. Dissolved minerals in the water then act as a "cement," binding the sand grains together to form solid rock.

    So, in a nutshell, sandstone is like a giant, compacted sandcastle made of tiny bits of other rocks!

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