
1) Chemical science 2) Chemistry
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https://www.crosswordclues.com/clue/geochemistry

geological chemistry. The study of materials and chemical reactions in rocks, minerals, magma, seawater, and soil.
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http://antoine.frostburg.edu/chem/senese/101/glossary/g.shtml

Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth`s crust and its oceans. The realm of geochemistry extends beyond the Earth, encompassing the entire Solar System and has made important contributions to the understanding of a number of processes ....
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http://en.wikipedia.org/wiki/Geochemistry

study of chemistry of the earth's crust
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http://phrontistery.info/g.html

• (n.) The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth.
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http://thinkexist.com/dictionary/meaning/geochemistry/

scientific discipline that deals with the relative abundance, distribution, and migration of the Earth`s chemical elements and their isotopes.[20 related articles]
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http://www.britannica.com/eb/a-z/g/21

Ge`o·chem'is·try (jē`o*kĕm'ĭs*trȳ) noun [ Greek ge`a , gh^ , the earth + chemistry .] The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth. -- Ge`o*chem'ic*al
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http://www.encyclo.co.uk/webster/G/20

[
n] - the chemistry of the earth`s crust
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http://www.webdictionary.co.uk/definition.php?query=geochemistry

geochemistry, geochemical 1. The scientific study of the chemistry of the earth, including the rocks, sediments, and soil that constitute the solid earth and the fluids that compose the ocean, inland waters, and the atmosphere. 2. Referring to chemical reactions involving earth materials; such as, soil, rocks, and water. 3. The chemistry of the c...
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http://www.wordinfo.info/words/index/info/view_unit/2432/5

The science that applies chemistry to geological systems to understand the composition, structure, and processes of the earth.
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https://superfund.arizona.edu/resources/modules/copper-mining-and-processin
noun the chemistry of the earth`s crust
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https://www.encyclo.co.uk/local/20974

The science that deals with chemical changes in and composition of the earth's crust.
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https://www.encyclo.co.uk/local/21202

Science of chemistry as it applies to geology. It deals with the relative and absolute abundances of the chemical elements and their isotopes in the Earth, and also with the chemical changes that accompany geologic processes
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https://www.encyclo.co.uk/local/21221

The study of the chemical components of the earths crust and mantle. Geochemistry is applied to mining exploration to detect sites that indicate abnormal concentrations either of the elements being sought or of their more readily detected associate elements. Depending on circumstance, geochemical exploration samples soils, rock and lake and strea...
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https://www.encyclo.co.uk/local/22733

The study of the chemical properties of rocks.
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https://www.encyclo.co.uk/local/22734
No exact match found.