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

Five types of radiometric dating applied to those animal fossils revealed that they were buried between 117,000 and 108,000 years ago, the researchers report today in Nature.

From Science Magazine • Dec. 18, 2019

Determining the timing of geological history by using radioactive isotopes, which decay at a steady rate, is called radiometric dating.

From Textbooks • Jan. 1, 2018

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