[tokenatheist]

That isn’t the only, or even the main, way that radiometric dating is calibrated.

[Coyoteman]

Here are some good links for anyone interested in the science of radiometric dating:

ReligiousTolerance.org Carbon-14 Dating (C-14): Beliefs of New-Earth Creationists

Radiometric Dating: A Christian Perspective by Dr. Roger C. Wiens.

This site, BiblicalChronologist.org has a series of good articles on radiocarbon dating.

Are tree-ring chronologies reliable? (The Biblical Chronologist, Vol. 5, No. 1)

How does the radiocarbon dating method work? (The Biblical Chronologist, Vol. 5, No. 1)

How precise is radiocarbon dating?

Is radiocarbon dating based on assumptions?

Has radiocarbon dating been invalidated by unreasonable results?

Tree Ring and C14 Dating

Radiocarbon WEB-info Radiocarbon Laboratory, University of Waikato, New Zealand.

Radiocarbon -- full text of issues, 1959-2003.

[editor-surveyor]

The way that radiometric dating of rocks was “calibrated” was simply assuming the age that they wanted the rocks to be, and adjusting the result accordingly.

That is why dating of rock of known recent age doesn’t turn up a reasonable date.