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The oxygen‐isotopic composition of Earth and Mars
Abstract
Abstract— The small difference between the O‐isotopic mass fractionation lines of the Earth and Mars has been measured precisely using a laser fluorination system. The precision achieved from the two sample sets is better than ±0.014‰, with the offset (Δ 17 O) between Mars and Earth measured as +0.321‰. This result shows that all the Shergotty—Nakhla—Chassigny (SNC) meteorites define a high level of isotopic homogeneity, comparable to that of crustal material on the Earth, indicating that these meteorites originate, unequivocally, from a single, common parent body (Mars). Allan Hills 84001, with its ancient age (4.56 Ga), shows that any initial heterogeneity imparted into Mars from the nebula was homogenised very early in the formation history of the planet.
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Citations
Cites
A Component of Primitive Nuclear Composition in Carbonaceous Meteorites
Clayton, R. N., Grossman, L., & Mayeda, T. K. (1973) · Science · doi:10.1126/science.182.4111.485 · Cited by 798
Cited by
Forming a Moon with an Earth-like composition via a giant impact
Canup, R. M. (2012) · Science · doi:10.1126/science.1226073 · Cited by 656
Volatile, isotope, and organic analysis of Martian fines with the Mars Curiosity Rover
Leshin, L. A., Mahaffy, P. R., Webster, C. R., Cabane, M., Coll, P., Conrad, P. G., Archer, P. D., Atreya, S. K., Brunner, A. E., Buch, A., et al. (2013) · Science · doi:10.1126/science.1238937 · Cited by 458
Oxygen Isotopes and the Moon-Forming Giant Impact
Wiechert, U., Halliday, A. N., Lee, D.-C., Snyder, G. A., Taylor, L. A., & Rumble, D. (2001) · Science · doi:10.1126/science.1063037 · Cited by 457
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
Equilibration in the aftermath of the lunar-forming giant impact
Pahlevan, K., & Stevenson, D. J. (2007) · Earth and Planetary Science Letters · doi:10.1016/j.epsl.2007.07.055 · Cited by 381
Metadata
- Authors
- FRANCHI, I. A., WRIGHT, I. P., SEXTON, A. S., & PILLINGER, C. T.
- Venue
- Meteoritics & Planetary Science
- Publisher
- Wiley
- Published
- 1999-07
- Volume
- 34
- Issue
- 4
- Pages
- 657-661
- ISSN
- 1086-9379 (ISSN-L)
- 1945-5100
- OpenAlex
- W2027855284
- Cited by
- 209
- References
- 1
- FWCI
- 6.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- FRANCHI, I. A., WRIGHT, I. P., SEXTON, A. S., & PILLINGER, C. T. (1999). The oxygen‐isotopic composition of Earth and Mars. Meteoritics & Planetary Science. https://doi.org/10.1111/j.1945-5100.1999.tb01371.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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