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  • How Wind, Rain & Ice Weather Different Rock Types
    All types of rocks can be exposed to wind, rain, and ice. The specific effects of these elements depend on the type of rock, its composition, and the local climate. Here are some examples:

    Igneous rocks:

    * Basalt: A dark, fine-grained rock that weathers into rounded boulders.

    * Granite: A light-colored, coarse-grained rock that weathers into blocky shapes.

    * Obsidian: A dark, glassy rock that is easily fractured by wind and ice.

    Sedimentary rocks:

    * Sandstone: A rock composed of sand grains that can be easily eroded by wind and rain.

    * Limestone: A rock composed of calcium carbonate that can be dissolved by acidic rainwater.

    * Shale: A fine-grained rock that is easily broken down by frost wedging.

    Metamorphic rocks:

    * Marble: A metamorphic rock that is formed from limestone and can be dissolved by acidic rainwater.

    * Slate: A metamorphic rock that is formed from shale and can be easily split along its cleavage planes.

    * Gneiss: A metamorphic rock that is formed from granite and can be weathered into blocky shapes.

    Effects of wind, rain, and ice:

    * Wind: Can erode rocks by abrasion, deflation, and transportation.

    * Rain: Can dissolve soluble minerals in rocks, leading to chemical weathering.

    * Ice: Can expand in cracks in rocks, causing frost wedging and physical weathering.

    The weathering of rocks by wind, rain, and ice can create a variety of landforms, such as:

    * Canyons: Formed by the erosive power of rivers.

    * Arches: Formed by wind erosion.

    * Glaciers: Formed by the accumulation and movement of ice.

    * U-shaped valleys: Formed by glacial erosion.

    Overall, the type of rocks exposed to wind, rain, and ice plays a significant role in the weathering process and the formation of landforms.

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