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Admin19.08.2021

K

If it dates too young, one can invoke a later heating event.
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Admin21.06.2021

Argon Geochronology Methods

Dr Giem see references below has been able to find only two published papers.
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Admin29.08.2021

Potassium

Then we can average them to get an average age for this rock.
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Admin25.07.2021

Argon Geochronology Methods

This shows that excess argon is entering these rocks by some means, and calls K-Ar dating into question.
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Admin17.08.2021

(K/Ar) Potassium Argon Dating Techniques I

Dating mechanisms such as Carbon-14, work within the creationary paradigm without the need of having a change in half-lives.
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Admin25.06.2021

K

If the rock was heated in the presence of Argon from the earth's mantle, or perhaps in some primordial Argon which might have had a higher concentration of Ar 36; we might have problems making this assumption.
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Admin02.07.2021

K

Of course, it could be that older measurement techniques were less accurate.
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Admin24.08.2021

(K/Ar) Potassium Argon Dating Techniques I

.
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Admin28.08.2021

Argon Geochronology Methods

The a- alpha particles emitted at high velocity by the disintegrating nuclides interact, because of their charge, with electrons of surrounding atoms which slow them down until they finally come to rest in the host material at a distance from their source that depends on their initial kinetic energy and the density and composition of the host.
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Admin25.08.2021

Potassium

Two field examples: the first in the Columbia River Basalts, the second in the Yellowstone Fossil Forest will be given as well.
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