The Renazzo-like carbonaceous chondrites as resources to understand the origin, evolution, and exploration of the Solar System

Geochemistry (Chemie der Erde) (in Press) Link to Article []
1Earth Science, Pennsylvania State University – DuBois Campus, DuBois, PA, 15801, USA
2Solar System Exploration Division, Code 691, NASA Goddard Space Flight Center, Greenbelt, Maryland 20771, USA
3Department of Chemistry, Catholic University of America, Washington, DC 20064, USA
4Department of Geography, University of Winnipeg, 515 Portage Avenue, Winnipeg, MB R3B 2E9, Canada
5Jacobs Engineering Group Inc., NASA Johnson Space Center, Houston, Texas 77058, USA
Copyright Elsevier

We present here a review of the characteristics of CR carbonaceous chondrite meteorites. Over the past three decades, our knowledge and understanding of the scientific value of the CR chondrites have increased dramatically, as more samples from cold and hot deserts have become available for analysis. Based on a variety of compositional, mineralogical, isotopic, and spectroscopic studies, we have come to understand that CR chondrites are excellent samples of asteroidal meteorites to look for virtually unaltered solar nebula material and to observe asteroidal processes in progress. This paper summarizes these investigations, their similarities, and differences with other chondritic groups, their relationships to asteroids, and the questions yet to be addressed.


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