1. Geologic History 2. F SSILS WHAT ARE FOSSILS? the remains or trace of a oncethe remains or trace of a once living thing, usually preserved inliving thing, usually preserved…

Slide 1 Nonconformity - sedimentary rocks over crystalline (metamorphic or igneous) rocks N. Lindsley-Griffin, 1998 Slide 2 Nonconformity - sedimentary rocks over crystalline…

Slide 1 The Rock Record: Determining Relative Age Chapter 8 Slide 2 Rocks Tell a Story!!! Slide 3 How do we know what happened? 1.Relative Dating – tells which one is older,…

Slide 1 112 ways to Pass the Earth Science Regents Exam Final Review Slide 2 Use the reference tables!!!!! Slide 3  Same substance = same density  As pressure increases,…

The composition, structure, position and fossil content of Earthâs rocks provide information about Earthâs geologic history. The geologic history dates back to about 4…