Relative Age Dating and Superposition Mrs. Wright 8 th Grade Science Bath County Middle School.
Determining geological ages Relative ages – placing rocks and geologic events in their proper sequence, oldest to youngest. Absolute dates – define the.
Relative Age Dating Vs. Exact Age Dating How do geologists know how old something is? How old is the earth? How do geologists know how old something is?
Geologic Time Chapter 21.1-21.3. Geologic Time Two frames of reference –RELATIVE AGE DATING Places events in order according to their positions in the.
Dating How can scientists determine the age of rocks and fossils?
Time and Geology. Relative Age Dating In trying to understand the creation of the geology of an area prior to the 20 th century techniques, a method referred.
NontechnicalGuide2PetroleumGeology2e
Unit A Chapter 2 Views of the Earth’s Past. Fossils –Traces or remains of living things They can give us clues into the following Climate: weather conditions.
Fossil Identification Greenish-Brown Sedimentary Rock Sample 1.What type of organism is fossilized in this rock sample? 2.This rock sample was found on.
Objectives: Define Spontaneous Generation and list some observations that led people to believe this way. Summarize the experiments performed by Redi.
Geological Time The Present is the Key to the Past.