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  • Limestone Weathering: How Long Does It Take?
    Limestone weathers relatively slowly compared to some other types of rocks.

    Here's why:

    * Chemical weathering: Limestone is primarily composed of calcium carbonate, which is relatively resistant to chemical weathering. However, it does react with acidic rainwater, which can dissolve the rock over time, especially in areas with high rainfall.

    * Physical weathering: Physical weathering, like frost wedging or abrasion, can also break down limestone, but it's generally less significant than chemical weathering.

    * Factors influencing weathering: The rate of weathering depends on factors like climate (rainfall, temperature), the presence of vegetation, and the composition of the limestone itself.

    Overall, limestone weathering is a gradual process that can take thousands or even millions of years. It's a significant contributor to the formation of karst landscapes, characterized by caves, sinkholes, and other unique features.

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