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EvC Forum ⇒ Science Forums ⇒ Dates and Dating ⇒

Radiometric Dating and the Geologic Column: A Critique

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Author Topic:   Radiometric Dating and the Geologic Column: A Critique
Coragyps
Member (Idle past 760 days)
Posts: 5553
From: Snyder, Texas, USA
Joined: 11-12-2002

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Message 36 of 113 (166590)
12-09-2004 3:46 PM 		Reply to: Message 35 by Jazzns
12-09-2004 3:28 PM

Re: Poetic?
Does anyone know how to pronounce Woodmorappe anyway?
I've heard "what? more crap?" but surely that can't be it. Probably "Peczis," his real name. The one he's been known to cite as a reference.
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Coragyps
Member (Idle past 760 days)
Posts: 5553
From: Snyder, Texas, USA
Joined: 11-12-2002

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Message 71 of 113 (167075)
12-10-2004 9:41 PM 		Reply to: Message 68 by dpardo
12-10-2004 8:19 PM

Re: An Example
Shergottites are one of about three kinds of meteorites that have isotope ratios in the gas bubbles trapped inside that very closely matching ratios known to exist in Mars's atmosphere - and very unlike Earth's. The shock features that they show very possibly are from the impact that knocked them loose from Mars, not from hitting Earth. Smallish meteorites get slowed pretty well by our atmosphere. But it takes a pretty good knock by a meteor hitting Mars to propel fragments upward at greater than escape velocity.
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This message has been edited by Coragyps, 12-10-2004 09:44 PM
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