Dating rocks and soils
There many other dating methods that are used to date things; one of witch is chemical properties of igneous rock formations. To answer your question, nuclear weapons testing brought about a reaction that simulated atmospheric production of carbon 14 in unnatural quantities.
The level of bomb carbon in the northern hemisphere reached a peak in 1963, and in the southern hemisphere around 1965.These methods are sufficient to determine a great deal of stratigraphy.Some fossils are seen to occur only in certain strata (like dinosaurs.) Such fossils can be used as index fossils.because "god" or events like the biblical flood could have made the earth seem older.I searched and couldn't find any information about this, can you guys help me?
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When an organism dies, it ceases to take in new carbon-14, and the existing isotope decays with a characteristic half-life (5730 years).