It is an accurate way to date specific geologic events. This is an enormous branch of geochemistry called Geochronology. There are many radiometric clocks and when applied to appropriate materials, the dating can be very accurate. As one example, the first minerals to crystallize condense from the hot cloud of gasses that surrounded the Sun as it first became a star have been dated to plus or minus 2 million years!! That is pretty accurate!!! Other events on earth can be dated equally well given the right minerals.
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The Age of the Earth
What are some of the limits of radiometric dating techniques? | Socratic
This essay will consider both the inherent strengths and weaknesses of Radiocarbon dating and Dendrochronology, and also the ways in which these techniques can be applied inappropriately. As might be expected, each of the techniques has limitations and conditions under which it can be applied; it is when the technique is applied to conditions outside these limitations, perhaps for reasons of interpretative determinism, that the integrity of the technique is undermined. Additional to these factors could be a multitude of other considerations not strictly properties of the technique itself. For example, the processes by which the technique is performed and the associated skills and knowledge required to produce accurate determinations will necessarily impact the availability of the technique, but availability and the associated monetary cost is not an intrinsic property of the technique itself. In order to evaluate the technique itself, an idealised situation will be considered, whereby it is assumed that an archaeologist would have equal and otherwise unbiased access to a range of dating techniques, and it remains only to choose the one most appropriate to the situation at hand. Most of the 14 C in the atmosphere originates in the action of cosmic rays on Nitrogen in the upper atmosphere.
Relative and Radiometric Dating
Radiometric dating , radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon , in which trace radioactive impurities were selectively incorporated when they were formed. The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate of decay. Together with stratigraphic principles , radiometric dating methods are used in geochronology to establish the geologic time scale.
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