Limestone Features

Limestone is mainly composed of a mineral called calcium carbonate

• True

• False

Limestone is NOT usually formed under water

• True

• False

Limestone is an impermeable rock

• True

• False

Limestone can be slowly dissolved by rainwater or groundwater

• True

• False

This feature is formed when calcium carbonate is deposited on the ceiling of a cave

• Stalagmite

• Sink hole

• Stalactite

• Pillar

This feature is formed when the roof of an underground cavern collapses.

• Stalagmites

• Sink holes

• Stalactite

• Pillar

This feature is formed when calcium carbonate is deposited on the floor of a cave.

• Stalagmite

• Sink hole

• Stalactite

• Pillar

When a stalactite and a stalagmite meet they form a new feature known as a:

• Cave

• Stalagmite

• Cockpit

• Pillar

Sometimes a large underground hollow or passage called a ___________ is formed as water wears away limestone.

• Underground river

• Cave

• Cockpit

• Karst Landscape

The name given to the distinctive landscapes which form in limestone areas is:

• Cockpits

• Sink holes

• Cave Systems

• Karst