You have carbon isotope ratios from a fossil which you can't show to be organic. Applying carbon dating to inorganic carbonates is entirely a misuse of carbon dating.
I'm puzzled here. The dinosaur soft tissue has red blood cells and DNA. Why wouldn't the sofa tissue carbon be organic?
"No. Meteors aren't going to change the basic laws of chemistry that cause zircons to exclude Pb when they form. In order to make zircons include Pb when they form you would have to change the fundamental laws of nature in such a way that life as we know it would not be possible. The same goes for the decay rate of U."
I was talking about meteors changing the c14/c12 ratio. I'm not sure why you are bringing in zircons and Pb and U at this point. I haven't talked about how to modify the long term radiometric dating yet. I did mention a short term dating using zircon crystals elsewhere, but wasn't referring to it here.
"Also, we can directly observe that the laws that govern chemistry and nuclear physics was the same in the past. All we need to do is look up in the night sky and see how distant stars and galaxies behave."
I don't follow you at all here. The laws of nuclear physics changed completely between 1900 and 1925 with relativity, radioactivity, and quantum mechanics. How can the night sky show us that such dramatic changes won't happen again?
"They can't even show that they are measuring organic carbon. That's the problem".
Here is an extract from the paper I quoted earlier about carbon dating of dinosaurs:
"Many dinosaur bones are not petrified. Dr. Mary Schweitzer, associate professor of marine, earth, and atmospheric sciences at North Carolina State University, surprised scientists in 2005 when she reported finding soft tissue in dinosaur bones. She started a firestorm of controversy in 2007 and 2008 when she reported that she had sequenced proteins in the dinosaur bone.Critics charged that the findings were mistaken or that what she called soft tissue was really biofilm produced by bacteria that had entered from outside the bone. Schweitzer answered the challenge by testing with antibodies. Her report in 2009 confirmed the presence of collagen and other proteins that bacteria do not make. In 2011, a Swedish team found soft tissue and biomolecules in the bones of another creature from the time of the dinosaurs, a Mosasaur, which was a giant lizard that swam in shallow ocean waters. Schweitzer herself wonders why these materials are preserved when all the models say they should be degraded. That is, if they really are over 65 million years old, as the conventional wisdom says."
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