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  • Karst Topography: Valleys, Sinkholes, and Caverns Formed by Limestone Erosion
    Where groundwater erodes limestone, you're likely to find features characteristic of karst topography. These include:

    * Valleys: Known as karst valleys or doline valleys, these are formed by the dissolution of limestone along joints and bedding planes.

    * Sinkholes: These are depressions in the ground formed when the roof of an underground cavern collapses.

    * Caverns: These are large underground cavities formed by the dissolving action of acidic groundwater on limestone.

    Other features commonly associated with karst topography include:

    * Caves: Similar to caverns, but often smaller and with more complex passages.

    * Springs: Water from the underground emerges at the surface, often with high flow rates.

    * Disappearing streams: Surface streams may disappear into sinkholes, continuing their flow underground.

    So, to summarize, karst topography is a geological landscape shaped by the dissolution of limestone by groundwater, leading to the formation of valleys, sinkholes, caverns, and other features.

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