let me illustrate it another way. i put salt in a jar and ask someone to date it and they come back saying because the glass is old and it takes 4 million years for salt to form to that specification, that i must have filled it 4-5,000,0000 years ago because all of their dating systems said so.
1) date what the jar or the salt?
either way you point is not what dating is about.
no scientist would assume the jar was 4 billion years old. as for the salt again the age of the salt would only go back to when it crystallized from solution. Your idea is ludicrous as to how dating is done. The sodium & chlorine which make up the slat would be as old as the earth but the salt wouldn't, not as salt.
There is no better love between 2 people than mutual respect for each other WT Young, 2002
Who gave anyone the authority to call me an authority on anything. WT Young, 1969
Since Evolution is only ~90% correct it should be thrown out and replaced by Creation which has even a lower % of correctness. W T Young, 2008