When a Rock Dates a Fossil

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In my last two articles I talked about carbon dating (for formerly living things) and general radiometric dating (for minerals) and the problems with both methods. Now we’re going to mix the two and ask how scientists come up with dates for fossils that are supposedly much older than the maximum “age” carbon dating can measure (57,300 years). The short …

Do Rocks Lie?

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This is the second article in the series titled, “Fossils and Dating and Rocks, Oh My!” Last time I talked about the most common method scientists use to date ancient objects, radioactive carbon (14C) dating. Because carbon dating depends on objective measurements, observations of the environment, and math, many people are very confident that the long ages claimed by measuring …