When the rock of a cave collapses, it forms a feature known as a "sinkhole" or "cave-in." This occurs when the ceiling of the cave becomes unstable due to erosion, water infiltration, or structural weaknesses, resulting in the sudden dropping of rock and debris. The collapse can create an opening at the surface, potentially impacting the landscape above and causing hazards for structures nearby. Additionally, this process can lead to the formation of new geological features over time.
When rock above a cave collapses, a sinkhole is formed.
When the rock above a cave collapses, it can form a sinkhole if the collapse creates a depression in the ground. This can sometimes lead to the formation of a sinkhole cave system underground.
A sinkhole.
It is called weathering.
A shakehole (or sinkhole) - it can form an entrance to the cave, or block it entirely. Also swallow hole. It's important to realise that the existence of a shakehole does not necessarily mean an enterable cave lies below: the dissolved carbonate rock below may have been carried away in a multitude of fine conduits as in chalk, rather than a discreet passage.
When rock above a cave collapses, a sinkhole is formed.
It is called weathering.
When rock above a cave collapses, a sinkhole is formed.
It is called weathering.
When the rock above a cave collapses, it can form a sinkhole if the collapse creates a depression in the ground. This can sometimes lead to the formation of a sinkhole cave system underground.
It is called weathering.
A sinkhole forms.
A sinkhole.
It is called weathering.
A shakehole (or sinkhole) - it can form an entrance to the cave, or block it entirely. Also swallow hole. It's important to realise that the existence of a shakehole does not necessarily mean an enterable cave lies below: the dissolved carbonate rock below may have been carried away in a multitude of fine conduits as in chalk, rather than a discreet passage.
When a volcanic cone collapses it forms a caldera.
Most sinkholes form when mildly acidic water dissolves limestone underground, this forms a limestone cave. A sinkhole occurs when the cave collapses.