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Why are igneous rocks used for radiometric dating

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Monday, October 8, 2018 3:22:14 PM
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Imagine when you are saying that you're from some nothern part of Russia (born or raised or whatever). OOO, Siberia they say, bears, valenki and all this stuff. No matter that there are other parts that can be geographically not related to Siberia). Which types of rocks are used in radiometric dating? Would you like to merge this question into it? Would you like to make it the primary and merge this question into it? Merge this question into. Split and merge into it. Felching Igneous rocks are the best type of rock to be used when doing radiometric dating. Igneous rocks are formed when magma and lava that have been cooled. What is the importance of radiometric dating?

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Radiometric dating or radioactive dating is a technique 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. By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change. Radiometric dating is also used to date archaeological materials, including ancient artifacts.

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Petrology Tulane University Prof. Nelson Radiometric Dating Prior to the best and most accepted age of the Earth was that proposed by Lord Kelvin based on the amount of time necessary for the Earth to cool to its present temperature from a completely liquid state. Although we now recognize lots of problems with that calculation, the age of 25 my was accepted by most physicists, but considered too short by most geologists.

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Why are igneous rocks used for radiometric dating


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Science in Christian Perspective. Wiens has a PhD in Physics, with a minor in Geology. His PhD thesis was on isotope ratios in meteorites, including surface exposure dating. Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century. There are over forty such techniques, each using a different radioactive element or a different way of measuring them.

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