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Uranium

uranium

(Science: element)A radioactive metallic element whose isotope, uranium-235, is a nuclear fission fuel. Plutonium, another fission fuel, can be produced from the more plentiful isotope uranium-238.


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Re: Bird-Dinosaur News

... is that there is no way to tell if a rock did not have argon (or lead) in it from the beginning of it's formation. Because a rock has lead 206 and uranium 238 in it does not prove the lead is a daughter. It only proves it is there. It also has many other minerals in it. C-14 in "Ancient Rocks" ...

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by AFJ
Wed Jul 08, 2009 2:51 am
 
Forum: Evolution
Topic: Bird-Dinosaur News
Replies: 44
Views: 1045

Re: Speciation among primates and hominids

... Disclaimer: If you don't have a problem with why C-14 would be in rocks that are "dated," by potassium argon and uranium lead at hundreds of millions of years old..then the first primate is set at 56 million years and the first homo sapien at 500,000 to 1million ...

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by AFJ
Sat Jul 04, 2009 2:01 am
 
Forum: Evolution
Topic: Speciation among primates and hominids
Replies: 12
Views: 374

Re: Radiometric dating of rocks

ok, but what if the uranium somehow gets messed up? Well, how could this occur? It would take extreme pressures and high temps for this to happen, in which case your sample such as an arrow head would not be an arrow head any longer ...

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by MichaelXY
Wed Jun 03, 2009 8:15 am
 
Forum: General Discussion
Topic: Radiometric dating of rocks
Replies: 2
Views: 411

Radiometric dating of rocks

... I get so far, its more accurate than relative dating. its used over relative dating more often than not. you use "parent isotopes" like uranium? ok, but what if the uranium somehow gets messed up? how will we know? how can we really know if its accurate at all? its not like we have a ...

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by Twila
Thu May 28, 2009 3:22 pm
 
Forum: General Discussion
Topic: Radiometric dating of rocks
Replies: 2
Views: 411

Re: argument against the uranium-in-zircon dating

Who is "they"?? And how does what "they" say make it a simple way of knowing that?? Sounds like that is how you define all your beliefs... by what "they" say. Do some critical thinking young man. The Answers in Genesis website, dude, the very group who wrote the articl...

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by alextemplet
Wed Dec 10, 2008 2:19 am
 
Forum: Evolution
Topic: argument against the uranium-in-zircon dating
Replies: 17
Views: 2378
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