Unit 5: Age of the Earth Objective: E5.3D Describe how index fossils can be used to determine time sequence. E5.3g Identify a sequence of geologic events using relative-age…

Slide 1 Ch 8-Rock Record Objectives –Principle of uniformitarianism –Law of superposition and how it is used to determine relative age of rock –Compare types of unconiformities…

We know Earth is 4.6 Billion years old BUT HOW DO WE KNOW? How do we know Earthâs age? Most thought Earth was 6,000 years old and all geologic features had formed at the…

Ch 8-Rock Record Objectives Principle of uniformitarianism Law of superposition and how it is used to determine relative age of rock Compare types of unconiformities Apply…

Unit 5: Age of the Earth Objective: E5.3D Describe how index fossils can be used to determine time sequence. E5.3g Identify a sequence of geologic events using relative-age…