And strangely you just said you took enough geology to know this was wrong. So you were taught it. You seem to contradict yourself. You knew it because you studied geology, yet you were never taught it??? I don’t understand.
The point, in any case, is that if you knew this reasoning is contrary to the science of geology they why did you say this was "A weird sort of circular logic" when you knew full well that the claim is based on misinformation? I knew it was wrong. You knew it was wrong, but some others here might have been led astray by your comment.
Angela, I don’t believe carbon dating is used for measuring anything older than about 60,000 years. I don't think it is used by geologists for dating geologic formations. And yes, those who do use it are aware of its limitations.
I don’t understand why you see this as an issue, unless you think the earth is only a few thousand years old. Macro evolution requires many millions of years. Genetic variability occurs with every generation and given enough time members of the same species do diverge so that at opposite ends of their range they can come to look quite different. Humans are a good example of this. Creationists should try and explain the divergence that’s occurred among humans since the time of the Flood. They should send their paleontologists and geneticists out to locate the remains of that initial surviving group and track the changes, how quickly they occurred, and gather what other data they can find. I can think of a number of important questions to ask. Yet, no creationist group appears to be funding research of this type. Why not do research that backs the claims in Genesis?
Noah’s family members would have been one racial type. There were only nine of them? Yes? Why then did they not experience a genetic bottle neck like the cheetah? How quickly did today’s diversity arise and how did it arise when all human diversity had been wiped out by the Flood?
Evolution and natural selection must be a lot quicker than even evolutions suspect. The current evolutionary hypothesis holds that our present human diversity arose over a period of about 200,000 years. Creationists claim it happened in something less than 2000 years. Go figure.
I looked into this quickly but I think it’s only two finches that are being discussed. In general I have read a fair bit about the Galapagos finches and beak shapes change frequently based on food availability. This has been known for some time. It’s predicted.
Not.