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Are there experiments done to test the solidity of the dates for various things?

Could i give 2 samples of rock to a geochronologist (both of which are different ages) without any context in a blind experiment and get accurate results as to which rock sample is older and by roughly how much?

Recently, however, researchers at Purdue University observed a small (a fraction of a percent), transitory deviation in radioactive decay at the time of a huge solar flare.

National Institute of Standards and Technology (NIST).

"Radiometric dating still reliable (again), research shows." Science Daily. After two years of searching for a special radioactive decay that would provide an indication of new physics beyond the standard model, an experiment deep under ground near Carlsbad has so far found ...

The weighted mean age difference of all test samples is observed to −9 ± 60 C yr.

To test the indicators and the effects of the degree of burning, a Late-Neolithic human individual has been studied, as this individual exhibits the full spectrum from low temperature burning (charred) to high temperature (“cremated”) from one end of a single bone to the other.

The success of radiocarbon dating of burned or cremated bones depends on the exposed temperature during burning and the degree of re-crystallisation of the inorganic bone matrix.

We present a method for characterisation of likely cremated bones by employing visual inspection, infrared spectrometry and carbon stable isotope analysis on the bio-apatite fraction.The method of radiocarbon dating of cremated bones was tested by dating paired samples of bone and associated context materials such as pitch, charcoal and a dendrochronologically dated oak coffin.The dating of these paired test samples were largely performed as blind tests and showed excellent agreement between pitch and bone.Very often, we are dating materials that we don't really know the age of particularly well (hence why we're dating it).One of the most common radiometric dating methods, U-Pb in the mineral zircon that I mentioned above, requires no prior knowledge of the age of the sample.Zircon incorporates both uranium 235 and uranium 238, so one can measure the two different lead isotopes these decay chains produce and check to see whether they are yielding consistent ages.

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