radiometric dating
Example Sentences
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When that lunar magma ocean cooled, that's when the zircon crystals could finally form, locking in chemical signatures that the Field Museum scientists can now measure with radiometric dating technology.
From Salon • Oct. 23, 2023
After determining the materials in the sample and performing radiometric dating, the researchers concluded that the oldest crystals are about 4.46 billion years old.
From Science Daily • Oct. 23, 2023
Through the use of radiometric dating, scientists can study the age of fossils or other remains of extinct organisms to understand how organisms have evolved from earlier species.
From Textbooks • Jun. 9, 2022
Agee’s team had pegged it at 2.1 billion years, based on a radiometric dating of rubidium and strontium, averaged across the sample in bulk.
From Science Magazine • Nov. 25, 2014
But even with radiometric dating, as decay measurements became known, it would be decades before we got within a billion years or so of Earth’s actual age.
From "A Short History of Nearly Everything" by Bill Bryson
