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Vedmedyk [2.9K]
3 years ago
13

describe the geologic column and its weakness. also explain how the ages of the rocks are determined by radiometric dating and o

ther methods and why these methods are faulty?
Biology
1 answer:
lisabon 2012 [21]3 years ago
4 0
Radiometric dating or radioactive dating is a technique used to date materials such as rocks or carbon, in which trace radioactive <span>impurities were selectively incorporated when they were formed. Some of its cons are:
</span>
1. Expensive, because you have to determine the isotope of very trace quantities of radioelements, and not just the concentration of the element, in a mass spectrometer 

2. Requires highly skilled specialists 
<span>
3. Will not work for fossils or sedimentary rocks </span>
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