Dating Methods | Answers in Genesis Dating Methods | Answers in Genesis

Explain how radiometric dating can be used to determine the absolute age of rock strata, a close look at dr. hovind's list of young-earth arguments and other claims

Geologic processes as absolute chronometers

If it dates too young, one can invoke a later heating event. In addition, Woodmorappe gives over sets of dates "that are in gross conflict with one another and with expected values for their indicated Local phone dating services positions.

An ash bed near the top of the Judith River Fm. Both of these tend on the average to have wide biostrategraphic limits, meaning that a large spread of ages will be regarded as non-anomalous.

Early views and discoveries

Deformation typically occurs as a result of horizontal shortening, horizontal extensionor side-to-side strike-slip motion. However, this contradiction is but an illusion. We now consider whether they can explain the observed dates. These cool more slowly and have larger crystals, often forming granite.

Since the bulk of K-Ar dates are generally accepted as correct, one may say that certain minerals are reliable if they tend to give similar dates, and unreliable otherwise. However, it does not seem likely that sedimentary rocks would be this hot very often, except near lava or magma flows.

Today, we have someradiometric dates, the vast majority contributing sensibly to the overall picture. Underwater turbidity currents are often interpreted as varves, but they form many layers rapidly.

George Friedrich Bernhard Riemann,was a German mathematician whose work on curved space proved helpful to Einstein, but not with the absurd radius of curvature assigned by Slusher!

Also, the diffusion of argon in cracks and channels of a mineral is likely much less temperature-dependent than diffusion through unbroken regions of the mineral, since diffusion through cracks and channels simply involves jumps through the air.

The principle of superposition of rock strata

The numbers above are just summary values. The data do not fall on any straight line and do not, therefore, form an isochron. The Bearpaw Formation is a marine unit that occurs over much of Alberta and Saskatchewan, and it continues into Montana and North Dakota in the United States, although it adopts a different name in the U.

Zircon crystals in granite contain radioactive uranium, which decays into lead over time. The relationship between the data obtained and a specific event must be known. The increased atmospheric pressure, which would be greatly increased by a massive vapor canopy supported by the atmosphere, would also cause nitrogen narcosis.

The principle of "uniformitarianism" - processes operating in the past were constrained by the same "laws of physics" as operate today. So to assume that the K-Ar dates, Rb-Sr dates, and U-Pb dates all reflect the age of the lava, one would have to assume that this lava had no Sr, no Pb, and that all the argon escaped when the beads formed.

To get to that point, there is also a historical discussion and description of non-radiometric dating methods.