geochemistry

[jee-oh-kem-uh-stree]

noun

1. the science dealing with the chemical changes in and the composition of the earth's crust.

geochemistry

/ ˌdʒiːəʊˈkɛmɪstrɪ, ˌdʒiːəʊˈkɛmɪkəl /

noun

1. the geology and chemistry concerned with the chemical composition of, and chemical reactions taking place within, the earth's crust

geochemistry

1. The scientific study of the chemical composition of the Earth or other celestial body and of the reactions that control the distribution of chemical elements in its minerals, rocks, soil, waters, and atmosphere.

Other Word Forms

• geochemical adjective
• geochemically adverb
• geochemist noun

Word History and Origins

Origin of geochemistry¹

First recorded in 1900–05; geo- + chemistry

Example Sentences

"Our research highlights the dynamic interplay between hydrology, geochemistry and microbiology at the groundwater-surface water interface of acid mine drainage streams," Hoagland said.

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The team also examined sediment structures, mineralogy, diatoms and geochemistry to characterize the depositional record.

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Methane detected on their surfaces has the tell-tale signs of warm or even hot geochemistry in their rocky cores, which is markedly different than the signature of methane from a comet.

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Formulated on the basis of Venusian atmospheric chemistry, the team synthesized several iron-bearing sulfate minerals in an aqueous geochemistry laboratory in the Department of Earth Sciences.

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He combines geochemistry with the fossil record to try to understand the Earth's climate history.

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