Just to add a side note: CO2 from fossil fuels is also effecting carbon dating, as a lot of the C13 has already decayed in fossil fuels. In fact that is one way we know that the CO2 causing global warming is from man made sources.
On Mon, Aug 25, 2014 at 10:18 AM, Daniel Rocha <[email protected]> wrote: > Jojo, my dear alien, you cannot do carbon dating of anything past ~1950 > because there is a lot of contamination due C13 from nuclear explosions. > > The mammoth ages seem OK, it is usual to find parts of different animals > together. > > You don't take the age of non living things with carbon dating. Carbon > dating don't go to 300ka, there isn't calibration for that. An age like > this mean you have just measured background contamination. > > Old Amerindian remains, specially during the 80's, were involved in many > controversies, since the mainstream academic view was that the Clovis > culture had to be the oldest, and any pre Clovis was considered outright > bullshit. So, there was a lot of nitpicking to lower the age of these > outliers. > > > -- > Daniel Rocha - RJ > [email protected] >
