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Transmission Electron Microscopy of Carbonaceous Matter in Bennu Aggregate SamplesPreliminary analyses of regolith samples from asteroid Bennu show high bulk carbon abundances (~4.7 wt.%). The organic matter is readily apparent in scanning electron microscopy (SEM), transmission electron microscopy (TEM), and NanoSIMS observations. A major objective of the OSIRIS-REx mission is to understand the nature and origin of the pre-biotic organic matter inventory in Bennu samples. Here we report on TEM studies of indigenous organic matter in Bennu aggregate samples.
Document ID
20240006219
Acquisition Source
Johnson Space Center
Document Type
Extended Abstract
Authors
L P Keller ORCID(Johnson Space Center Houston, United States)
L B Seifert ORCID(University of Arizona Tucson, United States)
K Thomas-Keprta (Barrios Technology Houston, Texas, United States)
L Le ORCID(Jacobs (United States) Dallas, Texas, United States)
S J Clemett (Jacobs (United States) Dallas, Texas, United States)
A N Nguyen (Johnson Space Center Houston, United States)
Z Rahman ORCID(Jacobs (United States) Dallas, Texas, United States)
H C Connolly, Jr ORCID(University of Arizona Tucson, United States)
D S Lauretta ORCID(University of Arizona Tucson, United States)
Date Acquired
May 15, 2024
Publication Date
July 28, 2024
Publication Information
Publisher: The Meteoritical Society
Subject Category
Lunar and Planetary Science and Exploration
Meeting Information
Meeting: 86th Annual Meeting of The Meteoritical Society (METSOC)
Location: Brussells
Country: BE
Start Date: July 28, 2024
End Date: August 2, 2024
Sponsors: The Meteoritical Society
Funding Number(s)
WBS: 828928.04.02.04.01
CONTRACT_GRANT: 80HQTR21CA005
CONTRACT_GRANT: 80JSC022DA035
CONTRACT_GRANT: NNM10AA11C
PROJECT: NNH09ZDA007O
Distribution Limits
Public
Copyright
Portions of document may include copyright protected material.
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