description Clair Patterson Overview
Clair Patterson was a prominent American geologist specializing in geochemistry. His meticulous work analyzing lead isotopes provided the first reliable estimate of Earth’s age, determining it to be approximately 4.55 billion years old. This achievement significantly advanced geological understanding. He subsequently dedicated his career to researching and combating lead pollution's detrimental effects on human health and the environment, primarily serving scientists and environmental researchers.
help Clair Patterson FAQ
How did Clair Patterson determine the age of the Earth?
Clair Patterson calculated the age of the Earth by measuring the ratios of lead isotopes in meteorites using mass spectrometry. He published his definitive figure of 4.55 billion years in 1956.
Why is Clair Patterson known as a champion against leaded gasoline?
While measuring lead isotopes, Patterson discovered that industrial lead pollution, primarily from tetraethyl lead in gasoline, had heavily contaminated the modern environment. He spent decades fighting a massive campaign against the petroleum industry to remove lead from gas, culminating in the 1970 Clean Air Act.
Where did Clair Patterson build his clean lab?
Patterson built one of the world's first ultra-clean laboratories at the California Institute of Technology (Caltech). This environment was strictly necessary to prevent modern lead dust from contaminating his ancient meteorite samples.
What specific meteorite did Clair Patterson use to date the Earth?
Patterson primarily used the Canyon Diablo meteorite, which created Meteor Crater in Arizona. He analyzed the lead isotope ratios of the troilite inclusions within these ancient space rocks to find the Earth's formation date.
explore Explore More
Similar to Clair Patterson
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
