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Age of earth radiometric dating

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Can we determine the age of the earth, and if so, how? Scientists generally agree that the answer to the riddle of the age of the earth is carefully concealed within the earth's crust. Thus, the geologic timescale and radiometric dating have been developed in an effort to determine the age of the earth. The older of the two dating methods, the geologic timescale, is actually a circular argument and is therefore considered by many scholars to be weak.
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How is Earth's Age Calculated?

Age of earth radiometric dating
Age of earth radiometric dating
Age of earth radiometric dating
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The Age of the Earth - Creationism and the Appearance of Age: Scott Pfahler

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. Using the known rate of change in radio-active elements radiometric dating , some Earth rocks have been shown to be billions of years old, while the oldest solar system rocks are dated at 4. Astronomers use the distance to galaxies and the speed of light to calculate that the light has been traveling for billions of years. The expansion of the universe gives an age for the universe as a whole: Astronomers and geologists have determined that the universe and Earth are billions of years old.
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How Old Is Earth?

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. It is also difficult to determine the exact age of the oldest rocks on Earth, exposed at the surface, as they are aggregates of minerals of possibly different ages.
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The age of the earth is a highly debated topic, and there are several methods that people have employed to calculate an age. Some proposed natural clocks have been used to support a young earth and some to support an old earth. There are even some clocks that have been used to support both a young and an old earth depending upon the assumptions and biases of the people using them.
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