Chemical Composition of Meteorites

Chromium
Cr vs. Fe2O3(T) + MgO



Cr

One of the best elements for distinguishing meteorites fromEarthe rocks is Cr. Nearly all stony meteorites have high concentrations of Cr compared to most Earth rocks. The most Cr-poor meteorites are the feldspathic lunar meteorites, which have high concentrations of Al2O3 and CaO. Cr-rich terrestrial rocks tend to be ultramafic rocks like dunites, peridotites, pyroxenites, and serpentinites.

See Notes, Caveats, and References
  


 

  
Plots for

| SiO2 | Al2O3, CaO, & CaO/Al2O3 | MgO/Fe2O3 | Fe2O3/MnO | Na2O & K2O |

| Cr | Ni | La |

 

 

Back to: Chemical Composition of Meteorites


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Prepared by:

Randy L. Korotev


Department of Earth and Planetary Sciences
Washington University in St. Louis


Please don't contact me about the meteorite you think you’ve found until you read this and this.

e-mailkorotev@wustl.edu