GEOLOGY

Detailed explanation-1: -The sinkhole itself is formed when the roof of the resulting cavern collapses. These sinkholes are often funnel shaped, with characteristically steep sides and a debris-covered bottom. They form when soil or rock material collapses into a cave.

Detailed explanation-2: -A sinkhole is a large dissolution cavity that is open to the Earth’s surface. Some sinkholes form when the roofs of caves collapse, others can form at the surface by dissolving the rock downward.

Detailed explanation-3: -Cover-subsidence sinkholes are located where thick permeable sediments cover the limestone. In this case, the void in the rock is filled by sediments raveling downward from above. Eventually, the ground surface often shows a gentle circular depression.

Detailed explanation-4: -Collapse sinkholes form when an underlying cave passage collapses forming a depression on the surface above. These sinkholes are actually quite rare, as caves are generally quite stable.

Detailed explanation-5: -Sinkholes are often saucer-shaped hollows that are the result of some kind of collapse or removal of an underlying layer of rocks that used to support the layer of material at the surface.