Radiometric dating and astronomical dating


Radiometric dating measures the decay of radioactive atoms to determine the age of a rock sample.It is founded on unprovable assumptions such as 1) there has been no contamination and 2) the decay rate has remained constant.So, we start out with two isotopes of uranium that are unstable and radioactive.They release radiation until they eventually become stable isotopes of lead.However, rocks and other objects in nature do not give off such obvious clues about how long they have been around.



They point to a catastrophic origin for granites, consistent with the biblical timeframe for earth history and God’s judgment during the Flood.In fact, this form of dating has been used to date the age of rocks brought back to Earth from the moon.So, we see there are a number of different methods for dating rocks and other non-living things, but what if our sample is organic in nature?However, to read any clock accurately we must know where the clock was set at the beginning.



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