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In geochemistry, a trace element is a chemical element whose concentration is less than 1000 ppm or 0.1% of a rocks composition.
The term is used mainly in igneous petrology.
See also
In geochemistry, a trace element is a chemical element whose concentration is less than 1000 ppm or 0.1% of a rocks composition.
The term is used mainly in igneous petrology.
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"Trace element (geochemistry)".
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