NanoSIMS C, N, and Si isotopic analysis of fines in sample OREX-501018-100

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Description

The NanoSIMS 50L at NASA JSC was used to analyze concurrently the isotopes 12C, 13C, 12C14N, 12C15N, 28Si, 30Si, and 32S in sample OREX-501018-100 through raster ion imaging. On the sample, seven isotope maps were collected for 20 micrometer fields of view. These 20-micron regions were analyzed sequentially during chained analyses. The data were collected with the goal of identifying isotopically anomalous organic matter and C-rich presolar grains. Kerogen (KG17) was measured as a C and N isotopic standard, and graphite was measured as a C isotopic standard for presolar SiC and graphite grains.


Info

Mission
OSIRIS-REx
Sample
OREX-501018-100
Session
20231114_NanoSIMS_JSC-ARES_OREX-501018-100_1

Analytical Methods

Laboratory
NASA Johnson Space Center
Instrument
(JSC-ARES)NanoSIMS 50L
Technique
Nanoscale secondary ion mass spectrometry

How To Cite

Nguyen, A., 2024. NanoSIMS C, N, and Si isotopic analysis of fines in sample OREX-501018-100, Version 1.0. Astromaterials Data Archive. https://doi.org/10.60707/zz81-fv27 Accessed 2025-04-04.

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Dataset

Date Created

January 18, 2024

Size

438.82 MB

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Review Status

Pending External Review

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Funding Sources

NASA contract NNM10AA11C

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