Many fanciful dating methods have been used to date objects including rocks. A popular one that regularly gives dating in the multi-million year age range is Potassium-Argon dating. Helens blew it's top in it transformed the surrounding terrain dramatically in a short period of time providing many other evidences as well of rapid changes reminiscent of things attributed to evolutionary change over vast mt st helens dating methods.
The lava that was spewed from this volcanic event was dated twenty years after the fact, using Potassium-Argon dating. Helens should have tested out to 20 years plus or minus a year or two being generous for a margin of error. Obviously the basic assumptions underlining radiometric dating like this need to be reevaluated, rather then religiously upheld as proof of long ages.
These dating methods rely on a series of assumptions about the amounts of the Mount St. Helens erupted in, but rocks were dated up to million years. These dating methods rely on a series of assumptions about the amounts of the Mount St. Helens erupted in, but rocks were dated up to million years. Org, creationists attempted discredit the rock and archaeological dating method used in washington. Examples: a dacite: some of mount st helens, u-series.