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In page Kamacite:

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Trace elements have been analyzed in the formation of kamacite at different temperatures but the trace elements in taenite seem better suited to give clues of the formation temperature of the meteorite. As the meteorite cools and taenite and kamacite are sorting out of each other some of the trace elements will prefer to be located in taenite or kamacite. Analyzing the taenite kamacite boundary can give clues to how quickly cooling occurred as well as a myriad of other conditions during formation by the final location of the trace elements.[citation needed]