Potassium argon radiometric dating

Tests indicate that the earth has still not reached equilibrium.

There is more C-14 in the atmosphere now than there was 40 years ago.

represents primordial Ar carried from source areas in the earth's mantle by the parent magmas, is inherited by the resultant volcanic rocks, and thus has no age significance.

However, are all other rocks in the earth's crust also susceptible to "contamination" by excess emanating from the mantle?

This would prove the earth is not yet 30,000 years old!

This also means that plants and animals that lived in the past had less C-14 in them than do plants and animals today.

Dalrymple, referring to metamorphism and melting of rocks in the crust, has commented: "If the rock is heated or melted at some later time, then some or all the In a recent study 128 Ar isotopic analyses were obtained from ten profiles across biotite grains in high-grade metamorphic rocks, and apparent Ar-Ar "ages" within individual grains ranged from 161Ma-514Ma.

is known to cause grave problems in regional geochronology studies.

At some point you would be putting it in and it would be leaking out at the same rate.

You will not be able to fill the barrel past this point of equilibrium.

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