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This dating method is used on several minerals, however, it works best with the mineral zircon (ZrSiO₄).  Because the formation of zircon rejects lead from its structure but allows uranium in the place of zirconium atoms, any lead present in it's structure must be radiogenic.  Given the amount of radiogenic lead and uranium in a sample, the age of the crystal can be determined.  Zircon is also preferred for its high toughness and ease of separation from other rocks.

This dating method is used on several minerals, however, it works best with the mineral zircon (ZrSiO₄).  Because the formation of zircon rejects lead from its structure but allows uranium in the place of zirconium atoms, any lead present in it's structure must be radiogenic.  Given the amount of radiogenic lead and uranium in a sample, the age of the crystal can be determined.  Zircon is also preferred for its high toughness and ease of separation from other rocks.

Uranium-lead dating has been used to place a date of 252.6 million years ago on the end of the [[Permian|Permian period]] and the beginning of the [[Triassic|Triassic period]] with a margin of error much smaller than other dating methods had given.<ref>http://www.physorg.com/news1197.html</ref>  

Uranium-lead dating has been used to place a date of 252.6 million years ago on the end of the [[Permian|Permian period]] and the beginning of the [[Triassic|Triassic period]] with a margin of error much smaller than other dating methods had given.<ref>http://www.physorg.com/news1197.html</ref> Thus proving the bible false!

 

Creation Scientists have pointed out that Uranium-lead dating relies heavily on the assumption that the laws of physics have not changed in the past. There are many evidences to suggest that God may have sped up the rate of uranium decay in the first few days of creation.

==References==

==References==

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[[Category:Geology]]

[[Category:Geology]]