geochronology

American  

[jee-oh-kruh-nol-uh-jee] / ˌdʒi oʊ krəˈnɒl ə dʒi /

noun

1. the chronology of the earth, as based on both absolute and relative methods of age determination.

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geochronology British  

/ ˌdʒiːəʊkrəˈnɒlədʒɪ, ˌdʒiːəʊˌkrɒnəˈlɒdʒɪkəl /

noun

1. the branch of geology concerned with ordering and dating of events in the earth's history, including the origin of the earth itself

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Other Word Forms

• geochronologic adjective
• geochronological adjective
• geochronologist noun

Etymology

Origin of geochronology

First recorded in 1890–95; geo- + chronology

Example Sentences

The findings were published in Geological Magazine under the title 'Multi-method geochronology and isotope geochemistry of carbonatites in the Aileron Province, central Australia'.

From Science Daily

"It is the first geochronology study to come from the Chang’e-6 samples, and will be of immense importance to the lunar and planetary science community."

From BBC

Geochronology, or the science of dating earth materials, was then used to reach the conclusion that significant ice melt began in the '40s.

From Science Daily

“There will be a really interesting geochronology story,” Horgan said.

From Science Magazine

The thickness of the crust suggested the tusk was old, but to find out exactly how old, Dr. Blackburn, whose lab at Santa Cruz specializes in geochronology, studied the decay of radioactive materials in samples of the original tusk tip retrieved in 2019.

From New York Times