Lead 204 is entirely primordial and the other isotopes found on earth would be found at roughly the same concentration were all of the lead on earth primordial. It's the excess ratios of the other isotopes of lead that can be attributed to radioactive decay. That is a substantial proportion of the lead on earth, but to say the "existence of lead" is proof of the age of the earth is entirely incorrect.
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Oh yeah, well were you there 4.5 billion years ago to see this so-called uranium 238?!?
Check mate, science!
I mean, the existence of lead doesn't necessarily prove the age of the earth so much as that those elements have existed for that long.
HOWEVER -- you're basically guaranteed to find lead in uranium deposits found around the earth, and the ratio of lead/uranium is how we calculated the 4.6 billion years.
Uranium is formed in Neutron stars or Supernova, so at the very least - the uranium found on earth itself is 4.6 billion years old. Whether "Earth" was "Earth" back then, who knows. This could be pre-moon? Could be before the earth even cooled down to have a solid outer layer? So the estimate is bound to be off by a little...
Just not by 4.5 billion years.
I'm pretty sure just soap has been around for more than 4.5k years and that means civilization too. So even if you do some backflips in justification here, there's no way you get 4k.
is this even a real conversation? its just circles and rectangles
There's evidence of human civilization and agriculture going back at least 10,000 years. You have to be extremely willfully ignorant to think the earth is only 4,000 years old. Hell the pyramid of Giza is older than that.
You have to be extremely willfully ignorant to think the earth is only 4,000 years old.
The Bible itself makes it obvious that the 4,000 year old thing is a lie.
destroy all religion for the sake of humanity
This proof is partial though. This assumes there is only 1 way of obtaining lead. What if lead appeared from fusion in stars younger than that.
Yeah, subsurface helium would probably have been a better example for this
If uranium-238 can be Fused in a star why couldn’t lead be Fused directly and in tern all the elements in between.
The tragedy is that humans aren't convinced to change their minds by facts like this. They're convinced by good stories from their friends and family.
Yeah this doesn’t do squat to prove or disprove anything to these nutters.
I’ve done the same with a variety of other things and you will get told the same thing:
God put it here.
Thing is you cannot argue with the above statement because it falls into that sort of argument you used to have when you were a child when the other kid would say ‘Nyah! Last word!!’ or ‘I can’t hear you!!’
But I take everything literally, other than when its inconvenient
nO ThAT’s jUSt gOD tEStiNg yOuR FAiTh
🤦♂️