Why is potassium argon dating unreliable

These flawed studies cite examples of "anomalous" ages from specific lava floes: Is this true? Here is one such reference, although this is to a mineral that does not exclude argon: At the moment of formation, as two nucleii collide, the uranium nucleus will be somewhat unstable, and thus very likely to decay into its daughter element. The Ghost in the Camera. My first post was deleted for not being referenced, but think about why K-Ar dating is not used for "young" rock.





For example, it would be about one in million for rocks in the vicinity of 57 million years old.

How Old Is the Mount St. Helens Lava Dome?

The data were miscopied from Dalrymple The problems are compounded because many of the parent and daughter substances are mobile, to some extent. This sample had not been exposed to the argon in the air over the 10 years since it was formed. Each of the 8 a-particles emitted during the disintegration of U to Pb produces a dark ring in biotite. Samples giving no evidence of being disturbed can give wrong dates.








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