lead-207

isotope

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June 30, 2026

Quick Summary

Lead-207 is a stable isotope of lead. Isotopes are atoms of the same element that have different numbers of neutrons. Lead, with the symbol Pb, is a soft, dense metal known for its resistance to corrosion.1

Lead-207 is one of four stable isotopes of lead, with the others being lead-204, lead-206, and lead-208. Lead-206 is specifically formed as the final product of the uranium decay series. Lead-210 dating, a method used to determine the age of recent sediments, utilizes the ratio of lead-210 to lead-206.123

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geologic history of Earth
The pregeologic period
…evolution of the isotopes of lead-207 and lead-206 is studied from several lead deposits of different age on Earth, including oceanic sediments that represent a homogenized sample of Earth’s lead, the growth curve of terrestrial lead can be calculated, and, when this is extrapolated back in time, it is found…
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…evolution of the isotopes of lead-207 and lead-206 is studied from several lead deposits of different age on Earth, including oceanic sediments that represent a homogenized sample of Earth’s lead, the growth curve of terrestrial lead can be calculated, and, when this is extrapolated back in time, it is found…
Read More