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Preparation of large Stardust aluminum foil craters for analysis

Wozniakiewicz, Penelope J., Kearsley, Anton T., Burchell, Mark J., Price, Mark C., Ishii, Hope A., Cole, Michael J. (2018) Preparation of large Stardust aluminum foil craters for analysis. Meteoritics and Planetary Science, 53 (5). pp. 1066-1080. ISSN 1086-9379. (doi:10.1111/maps.13052?) (KAR id:66427)

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Over the last decade, silica aerogel tracks and aluminum foil craters on the Stardust collector have been studied extensively to determine the nature of captured

electron microscope imaging and X-ray microanalysis techniques can document distribution of dust remnants both quickly and thoroughly within foil craters prior to any preparation. Here we present findings from our efforts to quantify the amount of residue and demonstrate a simple method of crater shape modification which can bring material into positions where it is much more accessible for in situ analysis, or safe removal of small subsamples. We report that approximately 50% of silicate-dominated impactors were retained as impact crater residue; however, <3% of organic impactors remained in the craters after impact.

Item Type: Article
DOI/Identification number: 10.1111/maps.13052?
Subjects: Q Science > QB Astronomy
Divisions: Faculties > Sciences > School of Physical Sciences > Centre for Astrophysics and Planetary Sciences
Depositing User: Penelope Wozniakiewicz
Date Deposited: 15 Mar 2018 13:36 UTC
Last Modified: 06 May 2020 03:17 UTC
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Wozniakiewicz, Penelope J.:
Burchell, Mark J.:
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