Freethought & Rationalism Archive

Valentine Pontifex · 12-06-2002, 07:29 PM

Quote:

Originally posted by beausoleil:
Creationists believe that the assumptions of radiometric dating are invalid and cannot be proven. These assumptions are: (
[1) the radioactive element decays at a constant rate
[snip]
None of these are assumptions

[1] is tested by compaing dates in different systems.
[snip]

Maybe Jon can correct me if I am wrong, but if the decay constant had significant alteration, I don't see how the discordia in concordia-discordia could possibly form unless the two distinct decay constants used in that method changed by the the same amount which seems rather unlikely. I suppose the Pb-Pb isochron method also would not work if decay constants changed. (For those who don't know what Pb-Pb isochrons are, they are a different kind of isochron from what is described in the T.O. Archive FAQ. It uses two distinct decay series.)

Dr.GH · 12-06-2002, 07:43 PM

Yeah, should have been "detect" and not "correct."

Welcome to the II Board.

[ December 06, 2002: Message edited by: Dr.GH ]

beausoleil · 12-07-2002, 01:07 AM

Quote:

Originally posted by Valentine Pontifex:


Maybe Jon can correct me if I am wrong, but if the decay constant had significant alteration, I don't see how the discordia in concordia-discordia could possibly form unless the two distinct decay constants used in that method changed by the the same amount which seems rather unlikely....

Which was my point.

12-06-2002, 07:43 PM	#12
Dr.GH Veteran Member Join Date: Jul 2001 Location: Dana Point, Ca, USA Posts: 2,115	Yeah, should have been "detect" and not "correct." Welcome to the II Board. [ December 06, 2002: Message edited by: Dr.GH ]</p>

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