Answers in genesis radiometric dating

posted by | Leave a comment

Μάθετε περισσότερα, μεταξύ άλλων για τις διαθέσιμες δυνατότητες: Πολιτική για τα cookies. Chances are, you learned a simplified version of the technique at one point—if you remember your chemistry teacher discussing isotopes, half-lives, hourglasses, well, that was it—but have since removed the lesson to a box labeled "High School Amnesia" in some dark corner of your brain.

answers in genesis radiometric dating-78

So now that you are better prepared, let's continue!Secondly, radiometric dating methods (K-Ar in particular) do not estimate the age of a rock, but the time at which a mineral in that rock was last near a given temperature (called the closing temperature).For any given rock, each kind of mineral will yield a different age, depending on how quickly the rock cooled.For example, imagine you crsytallize a rock with 1 gram of 40K (and no 40Ar).If you came back after 1.25 billion years, and assuming nobody has heated the rock or altered it chemically, you would find 1/2 grams of 40K and 1/2 grams of 40Ar/40Ca.

Leave a Reply

Free chat adulto