Dating, a method of age determination based on the principle that radioactive atoms in geologic materials decay at constant, known rates to daughter atoms.
What is radiocarbon dating and how does it work
Radiometric dating of granitic intrusions associated with the caledonian orogeny yields ages between about 430 million and 380 million years.
What is radiometric dating and how is it used
Samples for dating are selected carefully to avoid those that are altered, contaminated, or disturbed by later heating or chemical events.
Early studies of the radioactive decay of uranium and thorium into lead caused the british physicist ernest rutherford to suggest that this process could be used to determine the age of rocks and consequently of the earth by observing the amount of helium retained by a rock relative to its uranium and thorium contents.
Plotting an isochron is used to solve the age equation graphically and calculate the age of the sample and the original composition.
Many people, radiometric dating might be the one scientific technique that most blatantly seems to challenge the bibles record of recent creation.
Sun alters radioactive decay rates many scientists rely on the assumption that radioactive elements decay at constant, undisturbed rates and therefore can be used as reliable clocks to measure the ages of rocks and artifacts.