How old is earth based on radiometric dating

One isotope, potassium-40, is radioactive, and decays into argon-40, an inert gas.Potassium-argon dates are calculated from the ratio of daughter to parent material.Therefore, it is reasonable that He would create rocks that appear mature also. There may even be some functional reason that existing levels of radioactivity are more appropriate for life than other levels would be. The most popular method is probably the potassium-argon method.Potassium atoms vary in their numbers of neutrons, resulting in atoms with different masses (called isotopes).Other creationists hold that the planet itself was created during creation week, perhaps early in the first day of creation.

One cannot go back in time and examine the rock sample when it was first formed. This explanation can be called the mature-earth creation hypothesis. In summary, the age of the earth as calculated by radiometric dating methods remains one of the more problematic issues for creationists. This theory proposes that Genesis refers only to the creation of life on the planet, and not to the creation of the planet itself. This idea is sometimes called the two-stage creation hypothesis. After another 1.3 billion years, only 250 atoms would remain, while there would be 750 atoms of argon-40.

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