Lead-lead dating is a method for dating geological samples, normally based on 'whole-rock' samples of material such as granite. For most dating requirements it has been superseded by uranium-lead dating (U-Pb dating), but in certain specialized situations (such as dating meteorites and the age of the Earth) it is more important than U-Pb dating.
Other articles related to "dating":
... to Clair Cameron Patterson’s application of Pb-Pb dating on meteorites in 1956 ... The dating of meteorites would then help Patterson in determining not only the age of these meteorites but also the age of Earth’s formation ... By dating meteorites Patterson was directly dating the age of various planetesimals ...
Famous quotes containing the word dating:
“We go on dating from Cold Fridays and Great Snows; but a little colder Friday, or greater snow would put a period to mans existence on the globe.”
—Henry David Thoreau (18171862)