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While these values do not compute an age for the Earth, they do establish a lower limit (the Earth must be at least as old as any formation on it).This lower limit is at least concordant with the independently derived figure of 4.55 billion years for the Earth's actual age.Latin has been a dating site, personals site, for online dating, matchmaking, singles, relationships for single men and single women seeking love and romance.Latin Euro has been pioneering dating for 29 years. Latin Euro is one of the world's most famous Dating Sites/Social Network. This service is for people 18 years or older Latin Euro has been featured in the following media: The Huffington Post, Discover Channel, CBS, Associated Press, NPR, Marie Claire, Globo TV, Sally Jesse Rafael, Christina Show, Tele Mundo TV, Voice of America, Veja Magazine, San Francisco Chronicle About Latin Euro Dating: Welcome to the Latin Euro Social Dating Network.The higher the uranium-to-lead ratio of a rock, the more the Pb-206/Pb-204 and Pb-207/Pb-204 values will change with time.If the source of the solar system was also uniformly distributed with respect to uranium isotope ratios, then the data points will always fall on a single line.
There is evidence that energy from the Earth's accumulation caused the surface to be molten.
And from the slope of the line we can compute the amount of time which has passed since the pool of matter became separated into individual objects.
See the Isochron Dating FAQ or Faure (1986, chapter 18) for technical detail.
The most direct means for calculating the Earth's age is a Pb/Pb isochron age, derived from samples of the Earth and meteorites.
This involves measurement of three isotopes of lead (Pb-206, Pb-207, and either Pb-208 or Pb-204).