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Carbonaceous chondrite meteorites as a record of protoplanetary disk conditions

Published online by Cambridge University Press:  12 October 2020

Sara S. Russell Open the ORCID record for Sara S. Russell [Opens in a new window] ,
Enrica Bonato ,
Helena Bates Open the ORCID record for Helena Bates [Opens in a new window] ,
Ashley J. King ,
Natasha V. Almeida  and
Paul F. Schofield
Sara S. Russell
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
Enrica Bonato
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
Helena Bates
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
Ashley J. King
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
Natasha V. Almeida
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
Paul F. Schofield
Affiliation:
Planetary Materials Group, Department of Earth Sciences, Natural History Museum Cromwell Road, London, SW7 5BD, UK email: [email protected]
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Abstract

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Chondritic meteorites, and especially the most volatile-rich chondrites, the carbonaceous chondrites, preserve a record of the solar protoplanetary disk dust component and how it has been changed both in the disk environment itself and in its asteroidal parent body. Here we review some of the key features of carbonaceous chondrites and report some new data on their organics component. These show that the nebula reached temperature of >10000C, but only very locally, to produce chondrules. Most meteoritic material underwent thermal and/or aqueous processing, but some retain delicate nebular components such as complex organic molecules and amorphous silicates.

Keywords

ChondritesMeteoritesProtoplanetary DiskAsteroids
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 135 - 138
Copyright
© International Astronomical Union 2020

References

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