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Bio
Understanding the breadth and detail of geologic time has had a huge impact on culture as well as on science. The first valid measurement of the true age of the Earth was only made about 50 years ago and greatly expanded our vision of the universe. Since then dates on rocks, minerals and meteorites have often furnished decisive evidence for or against competing theories on the origin and evolution of our planet. My work and that of my group at the Jack Satterly Geochronology Laboratory focuses on the precise measurement of geologic time. Our tool of choice is the uranium-lead isotopic system in the mineral zircon. There are several other long-lived radioactive decay systems and other rock/mineral hosts that we can use but zircon usually gives the most accurate ages for the geologic events that have accompanied significant phases in Earth’s development.
Research Interests
Papers共 82 篇Author StatisticsCo-AuthorSimilar Experts
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GEOLOGICAL SOCIETY OF AMERICA BULLETINno. 3-4 (2024): 1689-1700
GEOLOGY (2024)
CHEMICAL GEOLOGY (2024): 121862
Canadian Journal of Earth Sciencesno. 6 (2022): 346-359
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