Topic: Uranium Lead Dating Method
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What is uranium-lead method?
the uranium-lead method is a method to determanie the age of Earth's oldest rocks Read More »
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What is uranium-lead dating?
( yə′rā·nē·əm ′led ′dād·iŋ ) (geology) A method for calculating the geologic age of a material in years based on the radioactive decay rate of uranium-238 to lead-206 and of uranium-235 to lead-207. Read More »
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Why is uranium-lead dating important?
Uranium-lead dating http://en.wikipedia.org/wiki/Uranium-lead_dating Read More »
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Uranium Lead Dating Method
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What U-Pb system are you using? U 238 or U 235? U 238 has a half life of 4.5 billion years. U 235 has a half life of 713 million years. If there's 75% of Pb 2 half lives have passed. Define "greater than 1 million". Perhaps I am being daft,...
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