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The Formation of Chondrules at High Gas Pressures in the Solar Nebula
Abstract
High-precision magnesium isotope measurements of whole chondrules from the Allende carbonaceous chondrite meteorite show that some aluminum-rich Allende chondrules formed at or near the time of formation of calcium-aluminum–rich inclusions and that some others formed later and incorporated precursors previously enriched in magnesium-26. Chondrule magnesium-25/magnesium-24 correlates with [magnesium]/[aluminum] and size, the aluminum-rich, smaller chondrules being the most enriched in the heavy isotopes of magnesium. These relations imply that high gas pressures prevailed during chondrule formation in the solar nebula.
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Citations
Cited by
Isotopic fractionation and the quantification of 17 O anomalies in the oxygen three-isotope system
Miller, M. F. (2002) · Geochimica et Cosmochimica Acta · doi:10.1016/s0016-7037(02)00832-3 · Cited by 444
Homogeneous Distribution of 26 Al in the Solar System from the Mg Isotopic Composition of Chondrules
Villeneuve, J., Chaussidon, M., & Libourel, G. (2009) · Science · doi:10.1126/science.1173907 · Cited by 316
EVIDENCE FOR MAGNESIUM ISOTOPE HETEROGENEITY IN THE SOLAR PROTOPLANETARY DISK
Larsen, K. K., Trinquier, A., Paton, C., Schiller, M., Wielandt, D., Ivanova, M. A., Connelly, J. N., Nordlund, Å., Krot, A. N., & Bizzarro, M. (2011) · The Astrophysical Journal · doi:10.1088/2041-8205/735/2/l37 · Cited by 313
Non-chondritic magnesium and the origins of the inner terrestrial planets
Wiechert, U., & Halliday, A. N. (2007) · Earth and Planetary Science Letters · doi:10.1016/j.epsl.2007.01.007 · Cited by 132
Gao, C., Cao, X., Liu, Q., Yang, Y., Zhang, S., He, Y., Tang, M., & Liu, Y. (2018) · Chemical Geology · doi:10.1016/j.chemgeo.2018.04.005 · Cited by 66
Metadata
- Authors
- Galy, A., Young, E. D., Ash, R. D., & Keith O'Nions, R.
- Venue
- Science
- Published
- 2000-12
- Volume
- 290
- Issue
- 5497
- Pages
- 1751-1753
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1998869127
- Cited by
- 171
- References
- 0
- FWCI
- 4.45
- Type
- journal article
- Language
- en
- Open access
- closed
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- Galy, A., Young, E. D., Ash, R. D., & Keith O'Nions, R. (2000). The Formation of Chondrules at High Gas Pressures in the Solar Nebula. Science. https://doi.org/10.1126/science.290.5497.1751
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
