ch 21: fossils and the rock record according to the scientific community how old is the earth? about...
TRANSCRIPT
Ch 21: Fossils and the Rock
Record
According to the scientific community How old is the
Earth?
About 4.6 billion years old
What evidence does the scientific community have that supports
this age?
Rock layersFossils
Radiometric dating
Where is the oldest rock on Earth located? How old are they?
• Western Green land between 3.7 – 3.8 billion years old • Rocks 3.4-3.6 billion have been found
in southern Africa, western Australia and the Great Lake region of north America
What type of rock are the oldest know rocks?
Metamorphic
According to the bible How old is the earth?
6,000 years old
What evidence does bible believers have that supports
this age? • Irish Archbishop James Ussher
(1581-1656)• Used the Bible to come up with
fairly precise dates for people and events mentioned in the Bible
• His calculations led him to determine that God created the universe on 23 October, 4004 BC
The answer is in Genesis!
http://www.answersingenesis.org/articles/2007/05/30/how-old-is-earth#fnMark_1_1_1
What do you think??
How much is a billion?
IN CLASS ACTIVITY• Create a timeline of human milestones from
now to the earliest possible event.
ANY QUESTIONS?
Websites
• USGS Divisions of Geologic Timehttp://pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf• Virtual Museum of Fossils Valdosta State Universityhttp://fossils.valdosta.edu/• Smithsonian Geologic Time http://paleobiology.si.edu/geotime/main/index.html