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Unformatted text preview: The main point of his talk was to inform the public about a recent technique that measures rate of decay. It measures how long it takes for a parent atom to decay to a daughter atom. He explained that this method is used at the UMC here at the university. The name of this is process is called geochronology. Inside the UMC is the Arizona LaserChron Center. It is one of the most sophisticated geochronology centers because it analyzes samples of rock from all across the globe. This method uses a mineral called Zircon because of its’ properties. It contains lots of uranium and is a very solid and durable mineral. The Zircon can also be used to determine volcanic history and approximate times of activity. This method is very accurate due to the fact that the Uranium-Lead levels can be analyzed to determine the ages up to 1%. Dr. Gehrels lecture was very informative and I learned additional information that I did not already know....
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This note was uploaded on 04/06/2008 for the course GEO 101 taught by Professor Kapp during the Spring '07 term at University of Arizona- Tucson.
- Spring '07