The problem with fossil dating methods

Posted by / 05-Apr-2020 12:01

pointed out one of the big problems with this dating approach by saying that the past "methods are far from perfect: it is difficult to gain accurate depositional ages for sedimentary rocks, and matters can be further complicated when millions of years of geologic and environmental forces cause erosion of fossil-bearing strata." They highlighted its "success" by contrasting it with the lack of success of prior dating techniques.

It is rare that a weakness in the "millions of years" dating of earth materials is ever mentioned in standard earth science publications.

The Wheeler Formation has been previously dated to approximately 507 million year old, so we know the trilobite is also about 507 million years old.

But, how can we determine how old a rock formation is, if it hasn’t previously been dated?

U-Pb and Sm-Nd methods waxed and then waned in popularity in the 1980s.

Again, Woodmorappe quoted a field expert who said, "Each of the above dating systems had at some stage..alleged to be immune from isotopic resetting under subsolidus conditions.

There are two main methods determining a fossils age, relative dating and absolute dating.

But again, since nobody was there to observe these events, this could just as well be another excuse used to explain away confusing dating results.

Typically commonly occurring fossils that had a widespread geographic distribution such as brachiopods, trilobites, and ammonites work best as index fossils.

If the fossil you are trying to date occurs alongside one of these index fossils, then the fossil you are dating must fall into the age range of the index fossil. In a hypothetical example, a rock formation contains fossils of a type of brachiopod known to occur between 410 and 420 million years.

Where igneous rocks are absent, a fossil's "age" is determined by comparing the fossils of one location to those of another, and then comparing those comparisons to charts in books with age assignments provided on the pages.

But in standard studies, no age assignment is ever accepted unless it conforms to the "millions of years" doctrine of evolutionary earth history.

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