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They do not, however, give "absolute" dates because they merely provide a statistical probability that a given date falls within a certain range of age expressed in years.

Chronometric methods include radiocarbon, potassium-argon, fission-track, and thermoluminescence.

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In "The Carbon Dating Game," we covered flaws, assumptions, and cherry-picking in dating methods that are said to be used for up to 50,000 years, which many evolutionists still use to say the dates of the Bible incorrect.

Then, in ANOTHER 1.3 billion years (3.9 total), the remaining 1/4 will decay, and so on.

This process is used by evolutionists to claim dates to the earth going back 4.6 billion years. Bring decay rates into a court of law to be put under real scrutiny, and a good case could be made against them, but I don't think that's necessary to show the major problems evolutionists already have with what they are claiming, so in this instance, I won't be arguing what they claim as a current decay rate for K-Ar.

The development of Atomic Absorption Mass Spectrometry in recent years, a technique that allows one to count the individual atoms of 14C remaining in a sample instead of measuring the radioactive decay of the 14C, has considerably broadened the applicability of radiocarbon dating because it is now possible to date much smaller samples, as small as a grain of rice, for example.

Dendrochronology is another archaeological dating technique in which tree rings are used to date pieces of wood to the exact year in which they were cut down.

They are called chronometric because they allow one to make a very accurate scientific estimate of the date of an object as expressed in years.

The most commonly used chronometic method is radiocarbon analysis.

It measures the decay of radioactive carbon (14C) that has been absorbed from the atmosphere by a plant or animal prior to its death.

Evolutionists today see a half-life decay rate of potassium to argon at 1.3 billion years.

How do they know the decay rate has been the same for millions or billions of years? A portion of this sample was crushed, sieved, and processed into a whole rock powder as well as four mineral concentrates. " Design Science Association, retrieved Dec 19, 2012, [ See also Hans-Joachim Zillmer, Volcanic (igneous) rock, according to evolutionists, is the best way to date ages with K-Ar dating because, theoretically, when a volcano erupts, all the argon gas is released from the rock, and resets the clock back to zero.

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