Paleomagnetic dating technique


16-Sep-2015 13:23

There are always many assumptions a scientist can make to get a consistent answer. My audience saw, in a nutshell, the way dating methods work.Using the potassium-argon method, Fitch and Miller were the first to measure the age of the tuff.I asked, ‘How long has the water been dripping into the cylinder?’ Immediately someone called out, “Six hours.” “Good. ” “By dividing the amount of water in the cylinder (300 ml) by the rate (50 ml per hour).” “Excellent,” I said.

It involves measuring something that is changing with time.” People began to relax once they understood that the science of dating is not so difficult. Based on those assumptions you calculated the time of 6 hours.” They nodded. You quickly changed your assumptions about the past in order to agree with the age I told you.” Every scientist must first make assumptions about the past before he can calculate an age.Then I surprised them, “The problem is that six hours is the wrong answer.” They look puzzled and disbelieving. If the result seems okay then he will happily accept it.



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