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Isochron dating methods yabb double your dating and

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(For brevity's sake, hereafter I will refer to the parent isotope as ).

In addition, it requires that these measurements be taken from several different objects which all formed at the same time from a common pool of materials.

Isochron methods avoid the problems which can potentially result from both of the above assumptions.

Isochron dating requires a fourth measurement to be taken, which is the amount of a different isotope of the same element as the daughter product of radioactive decay.

The slope of the line is related to the age of the samples.

The simplest way to think of it is this: Some rock materials (isotopes) decay, and we can determine the age of a rock in today’s laboratories by determining how much of a specific isotope contained in the rock has decayed.

Note that the mere existence of these assumptions do not render the simpler dating methods entirely useless.

In many cases, there are independent cues (such as geologic setting or the chemistry of the specimen) which can suggest that such assumptions are entirely reasonable.

especially in absence of cross-checks by different methods, or if presented without sufficient information to judge the context in which it was obtained.

Isochron dating is a common technique of radiometric dating and is applied to date certain events, such as crystallization, metamorphism, shock events, and differentiation of precursor melts, in the history of rocks.

Isochron dating can be further separated into mineral isochron dating and whole rock isochron dating; both techniques are applied frequently to date terrestrial and also extraterrestrial rocks (meteorites).

Thus, at the moment of crystallization, the ratio of the concentration of the radiogenic isotope of the daughter element to that of the non-radiogenic isotope is some value independent of the concentration of the parent.

As time goes on, some amount of the parent decays into the radiogenic isotope of the daughter, increasing the ratio of the concentration of the radiogenic isotope to that of the daughter.

Some evolutionists throw out theistic evolution (God using evolution as His creative process) as a philosophical panacea, with the goal of leading people to conclude that Genesis is a myth.

Like Nimrod of ancient times, they know they must provide an alternative (i.e., naturalism, specifically —the belief that science alone can render truth about our world and reality) to biblical truth if they are to hold sway over the public in what is essentially a couched rebellion against God.

The simplest form of isotopic age computation involves substituting three measurements into an equation of four variables, and solving for the fourth.

The equation is the one which describes radioactive decay: If one of these assumptions has been violated, the simple computation above yields an incorrect age.

Then the computed age based on the accumulation of daughter products will be incorrect (Stasson 1998).

In order to use the valuable information provided by radiometric dating, a new method had to be created that would determine an accurate date and validate the assumptions of radiometric dating. Isotope dating satisfies this requirement, as daughter products do not decay back to the original parent element.