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Impact shock origin of diamonds in ureilite meteorites
Open accessAbstract
Significance: The origin of diamonds in ureilites is still a debated issue among the scientific community, with significant implications for the sizes of early Solar System bodies. We investigated three diamond-bearing ureilites by a multimethodological approach using scanning electron microscopy, micro X-ray diffraction, transmission electron microscopy, and micro-Raman spectroscopy, with the aim of determining the origin of the diamonds. Our results show that formation of both microdiamonds and nanodiamonds in ureilites can be explained by impact shock events on a small planetesimal and does not require long growth times at high static pressures within a Mercury- or Mars-sized body.
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In ureilite meteorite, diamond grains have been widely observed.
“(2) In ureilite meteorite, the diamond grains have been widely observed; 240,241”
From Energy system and resource utilization in space: A state-of-the-art review (2024) · cites this paper as [241]
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References 77 · Cited by 58
Research works printed but not linked: 2
- C. A. Goodrich, Invited review. Ureilites: A critical review. Meteorit. Planet. Sci. 352, 327–352 (1992).
- T. D. Varfolomeeva “Synthesis and investigation of polycrystalline diamond ” PhD thesis Institute for High Pressure Physics USSR Academy of Sciences (1971) p. 154.
Metadata
- Authors
- Nestola, F., Goodrich, C. A., Morana, M., Barbaro, A., Jakubek, R. S., Christ, O., Brenker, F. E., Domeneghetti, M. C., Dalconi, M. C., Alvaro, M., Fioretti, A. M., Litasov, K. D., Fries, M. D., Leoni, M., Casati, N. P. M., Jenniskens, P., & Shaddad, M. H.
- Affiliations
- Goethe University Frankfurt (DE)
- Universities Space Research Association (US)
- University of Pavia (IT)
- National Aeronautics and Space Administration (US)
- University of Padua (IT)
- Institute of Geosciences and Earth Resources (IT)
- Institute for High Pressure Physics (RU)
- University of Trento (IT)
- Paul Scherrer Institute (CH)
- Search for Extraterrestrial Intelligence (US)
- University of Khartoum (SD)
- Corresponding author
- Nestola, Fabrizio
- Goodrich, Cyrena A.
- ORCID
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2020-09-28
- Volume
- 117
- Issue
- 41
- Pages
- 25310-25318
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC7568235
- OpenAlex
- W3089646553
- Cited by
- 58
- References
- 77
- Citations by year
- 2026: 8 · 2025: 12 · 2024: 10 · 2023: 8 · 2022: 11 · 2021: 8 · 2020: 1
- FWCI
- 3.12
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DORA PSI (Paul Scherrer Institute) (submittedVersion, cc-by-nc-nd)
- Padua Research Archive (University of Padova) (submittedVersion, cc-by-nc-nd)
- Florence Research (University of Florence) (submittedVersion, other-oa)
- Institutional Research Information System (Università degli Studi di Trento) (submittedVersion)
- USRA Houston Repository (Lunar and Planetary Institute) (submittedVersion, cc-by-nc-nd)
- Funders
- NASA (NASA grants 80NSSC17K0165, NNX17AH09GS03, and 80NSSC19K0507)
- Ministero dell'Istruzione, dell'Università e della Ricerca (R164WEJAHH)
- PNRA (PNRA 2016, PNRA18 00247-A)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
- Physical Sciences › Earth and Planetary Sciences › Geophysics › High-pressure geophysics and materials
- Physical Sciences › Materials Science › Materials Chemistry › Diamond and Carbon-based Materials Research
- Keywords
- diamond formation, ureilite meteorites, shock metamorphism, nanodiamonds, graphite-to-diamond transformation, Almahata Sitta, single-crystal diamond, pseudomorphism, Mars, mercury
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