What is aquifer types of ground water?

Aquifers are naturally occurring subsurface zone that has the ability to store and transmit water under permanent saturated condition.

Confined and unconfined aquifers are the two types of ground water aquifers.

an aquifer is an under ground layer of water-bearing permeable rock.rock features or unconsolidated materials(gravel,sand or silt)from which ground water can be extracted using a water well.