The age of the earth as determined through radiometric dating is about

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BioLogos shows the church and the world the harmony between science and biblical faith. Get resources, updates, and more. Many independent measurements have established that the Earth and the universe are billions of years old. Geologists have found annual layers in ice that are easily counted to multiple tens of thousands of years, and when combined with radio isotope dating, we find hundreds of thousands of years of ice layers.
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Radiometric dating

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Radiometric dating - Wikipedia

By Age of the Earth is understood the total time since the earth has existed in its present physical state as a planet. In Geology, this problem has always been found as one of the most complicated and controversial topics. Many conclusions were suggested on different lines but were rejected by equally strong objections. It was only with the discovery of radioactivity that a new method giving an approximate age, with comparatively less chances of error were found. Presently, by any discussion on the problem of age of the Earth is understood a discussion of radioactive methods alone since all the other methods are highly speculative and already stand discarded.
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How Old is the Earth

Zircon Crystals trap Uranium Atoms in its crystal structure and naturally repel Lead Atoms when the crystal forms. Once the crystal structure is formed, nothing is able to escape. Over time the isotopes of Uranium start to transmutate into other elements in a process that is referred to as a decay chain. An Uranium Atom first transmutates into a Thorium Atom which takes a few billion years.
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The age of Earth is estimated to be 4. Following the development of radiometric age-dating in the early 20th century, measurements of lead in uranium-rich minerals showed that some were in excess of a billion years old. It is hypothesised that the accretion of Earth began soon after the formation of the calcium-aluminium-rich inclusions and the meteorites. Because the time this accretion process took is not yet known, and predictions from different accretion models range from a few million up to about million years, the difference between the age of Earth and of the oldest rocks is difficult to determine.
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