define absolute and relative dating
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Neither you, nor the coeditors you shared it with will be able to recover it again. Comments 0 Please log in to add your comment. Transcript of RELATIVE VS. ABSOLUTE DATING RELATIVE VS. ABSOLUTE DATING RELATIVE DATING A method of determining whether an event or object is younger or older than another event or object. Absolute Dating I have been teaching at EMS for 6 bteween. Relative Dating I started teaching at EMS after my daughter Alex was born.
She is 8 years old. You only know that I have worked there less than 8 years. Weathering Erosion The principle that states that all geologic change occurs suddenly. Earthquakes Floods Volcanic activity This principle was stated by James Hutton about years ago Before Uniformatarianism, this was the principle that most scientists believed. Although most geological processes occur slowly, Earth does experience sudden geologic events.
Usually due to erosion. Not all rock layers are in nice js neat straight rows. Many have features that cut through them. The principle of crosscutting relations states that geologic features such as faults and daying are younger than the rock they cut through. Uplifting Erosion At some future time wbat begins again. Watch the following video. It is an excellent example of unconformities and the 3 main categories.
Disconformity Nonconformity Angular Unconformity NOW LET'S PRACTICE Repative OUT WHICH LAYERS ARE THE 3 examples of relative dating techniques AND OLDEST. ON A PIECE OF PAPER, PUT THE LAYERS IN ORDER Betwfen Define absolute and relative dating TO YOUNGEST. The answers will be on the next section. Picture 1 Oldest to youngest B C D A E Picture 2 Oldest to youngest C B A D E http: I am going to explain this.
ISOTOPES An atom that has a different number of neutrons than other atoms of the same element. Most isotopes are stable, but some are unstable. We call them radioactive. These isotopes break down, trying to become stable. This is called radioactive decay. The rate abxolute decay is constant. The unstable isotope is called the parent isotope.
The stable isotope that is an is the daughter isotope. LET ME TELL YOU Thee STORY. THIS IS A STORY ABOUT MR. ISOTOPE AND THIER DAUGHTERS. CLICK ON THE VIDEO BELOW TO LEARN MORE ABOUT THIS VERY UNSTABLE FAMILY. HALF LIFE The amount of time it takes for half of the radioactive sample to decay. In other words, the amount of time it takes for half the parent material to decay. After watching the video on the next screen, I think you will have a better understanding.
FAULT INTRUSION RELATIVE DATING ABSOLUTE DATING Finding out whether an object agsolute older or younger than another object. Not specific or exact. Finding the age of an object. More specific THE GEOLOGIC COLUMN Like I said before not all rock layers are in nice neat rows. Because of disturbing forces, the disruption in the rock layer sequence can be a challenge for geologists. Geologists combine data from all know undisturbed rock sequences from around the world to create an ideal sequence of rock called the GEOLOGIC COLUMN.
AN ACIDENTAL SCHOOL SYSTEM. Set privacy level Privacy level. Add people Editor Editor Viewer. Only people with the link can view this prezi. Anyone with the link can view. Want to make relative dating definition archaeology prezis private or hidden? Download " " Downloading prezi This may tthe a few seconds. An error occurred sam dating black guy processing your request. If the problem persists you can find support at Community Forum Error code: