Fracking

1.)Fracking releasing gas from the ground.

2.)Its done by high pressures of water and chemicals.

3.)People are scared that the gas and chemicals will contaminate the wells.

Layer 1 was deposited Intrusion 2 formed Intrusion 3 formed Layer 4 was deposited Layer 5 was deposited Earth cracked at fault B

They are layered this way because this is the order of events that things happened in time.