You threw me when you answered post 115, I thought you were someone else.
As far as I know, Carbon-14 data is unreliable past 50,000 years. But this is not my area of expertise, Carbon-14 is more for archaeologists; I prefer biology. So since I answered your question, answer this:
Does "Lucy" fit in with the line of human evolution?
I have no idea. That is not a field of science that I know much about.
Are you saying that you do believe the Earth is 50,000 or more years old?