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EvC Forum ⇒ Science Forums ⇒ Dates and Dating ⇒

Validity of Radiometric Dating

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Author Topic:   Validity of Radiometric Dating
Coragyps
Member (Idle past 1030 days)
Posts: 5553
From: Snyder, Texas, USA
Joined: 11-12-2002

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Message 131 of 207 (733694)
07-20-2014 12:50 PM 		Reply to: Message 127 by OS
07-20-2014 10:07 AM

Re: On Geiger Counters
To answer your question directly: a lab could melt a sample and collect the gases that were released. Some of that gas would be argon, most likely. Feeding the gas to a mass spectrometer wouldshow that argon to be the isotopes -36, -38, and -40, all non-radioactive. Any of the other (radioactive) isotopes of argon have short enough half-lives that they would be completely decayed after sitting in a rock for just the 6000 years that Faith would give you since the world formed.
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One radioactive inert gas you can find in rocks is radon. If there is uranium in the rock, it will decay (very slowly) and continuously supply traces of radon - though the radon itself then decays, finally ending up as lead.
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Coragyps
Member (Idle past 1030 days)
Posts: 5553
From: Snyder, Texas, USA
Joined: 11-12-2002

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Message 187 of 207 (760298)
06-19-2015 6:02 PM 		Reply to: Message 184 by Dr Adequate
06-19-2015 4:34 PM

Re: Interested
See? See!!!???
First gay marraige, and now gay rainbow geysers!!
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