Radiometric dating on sedimentary rocks Meet a horny girl without a credit card

For potassium 40, the half-life is about 1.3 billion years.In general, in one half-life, half of the parent will have decayed.I believe that there is a great need for this information to be made known, so I am making this article available in the hopes that it will enlighten others who are considering these questions.Even the creationist accounts that I have read do not adequately treat these issues.Perhaps the earth was made from older pre-existing matter, or perhaps decay rates were briefly faster for some reason. Geologic time is divided up into periods, beginning with the Precambrian, followed by the Cambrian and a number of others, leading up to the present.When one considers the power of God, one sees that any such conclusions are to some extent tentative. Some fossils are found in Precambrian rocks, but most of them are found in Cambrian and later periods.When it is stated that these methods are accurate to one or two percent, it does not mean that the computed age is within one or two percent of the correct age.

The original element is called the parent, and the result of the decay process is called the daughter element.

On the surface, radiometric dating methods appear to give powerful support to the statement that life has existed on the earth for hundreds of millions, even billions, of years.

We are told that these methods are accurate to a few percent, and that there are many different methods.

At the start, let me clarify that my main concern is not the age of the earth, the moon, or the solar system, but rather the age of life, that is, how long has life existed on earth.

Many dating methods seem to give about the same ages on meteorites.

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We can assume that the Precambrian rocks already existed when life began, and so the ages of the Precambrian rocks are not necessarily related to the question of how long life has existed on earth.

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