Uranium lead dating meteorites

Ignorance of the variation has created small errors in our chronology of the world.

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We could use rock datation, but most of them are unreachable, am I right? Think that you are standing in front of a group of 2000 people and you want to know who is the oldest person in that crowd, but you can only ask the age of the 10 or so people standing right next to you. what Michael is eluding to is that you need a large enough sample, because radioactive dating basically uses a ratio of the amount of material that has decayed relative to the amount that has not decayed.When meteorites fall on Earth and you pick them up, you are able to date the time of their formation.You say: You have to distinguish the time that the meteorites form and the time that they hit the Earth.There are many ways to keep track of time, the most reliable of which is to use actual records such as counting hours, days, weeks, and years.However, when we speak of the distant past, there are no historical records and thus no verifiable way to prove that a certain 'date' is correct.

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