Sinkhole Formation

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Click on the arrow inside this circle to begin. Select the “ full screen option here. Then use your keyboard to advance the slides. Formation of a Sinkhole

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soil sandstone limestone Water moves through cracks in the limestone, dissolving it and eventually causing caverns to form. Madison limestone is like a “ Swiss cheese ” . Here a cavern has formed just below the sandstone.

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soil limestone sandstone Next the sandstone and soil collapse into the cavern. A sinkhole is formed.

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To learn about a sinkhole called the “ Belt Meteor Crater ” , go to www.formontana.net/belt.html Press your “ escape key ” to close the presentation.

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