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Origin of magnetite and pyrrhotite in carbonaceous chondrites

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Abstract

CARBONACEOUS chondrites, although comprising only about 2% of known meteorites, are extremely interesting for scientific investigation. Their mineral constitution, and the correspondence between their bulk chemical composition and the solar abundance of condensable elements, indicate that minimum chemical fractionation and thermal alteration have occurred. The mineral phases observed in these primitive chondrites are sufficiently unique, with respect to other meteorite classes, to have elicited considerable speculation about the physical environment in which they formed1–7.

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Author notes

  1. J. M. HERNDON

    Present address: Department of Chemistry, University of California, San Diego, La Jolla, California, 92037

Authors and Affiliations

  1. Department of Chemistry, Texas A&M University, College Station, Texas, 77843

    J. M. HERNDON & M. W. ROWE

  2. Cooperative Institute for Research in Environmental Sciences, University of Colorado/NOAA, Boulder, Colorado, 80302

    E. E. LARSON

  3. US Geological Survey, Boulder, Colorado, 80302

    D. E. WATSON

Authors
  1. J. M. HERNDON
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  2. M. W. ROWE
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  3. E. E. LARSON
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  4. D. E. WATSON
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HERNDON, J., ROWE, M., LARSON, E. et al. Origin of magnetite and pyrrhotite in carbonaceous chondrites. Nature 253, 516–518 (1975). https://doi.org/10.1038/253516a0

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