The DOI matches its Crossref record; 79 of the 81 references it cites were found in a registry or an index.
THE Hf-W ISOTOPIC SYSTEM AND THE ORIGIN OF THE EARTH AND MOON
Abstract
▪ Abstract The Earth has a radiogenic W-isotopic composition compared to chondrites, demonstrating that it formed while 182 Hf (half-life 9 Myr) was extant in Earth and decaying to 182 W. This implies that Earth underwent early and rapid accretion and core formation, with most of the accumulation occurring in ∼10 Myr, and concluding approximately 30 Myr after the origin of the Solar System. The Hf-W data for lunar samples can be reconciled with a major Moon-forming impact that terminated the terrestrial accretion process ∼30 Myr after the origin of the Solar System. The suggestion that the proto-Earth to impactor mass ratio was 7:3 and occurred during accretion is inconsistent with the W isotope data. The W isotope data is satisfactorily modeled with a Mars-sized impactor on proto-Earth (proto-Earth to impactor ratio of 9:1) to form the Moon at ∼30 Myr.
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“Thus, the formation of Earth commenced no earlier than 10 million years after the formation of the Solar System (Kleine et al., 2004; Jacobsen, 2005; Touboul et al., 2007).”
From The Astrobiology Primer v2.0 (2016) · cites this paper as Jacobsen, 2005
Citations
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Metadata
- Authors
- Jacobsen, S. B.
- Affiliations
- Harvard University (US)
- Corresponding author
- Jacobsen, Stein B.
- ORCID
- Jacobsen, Stein B.
- Venue
- Annual Review of Earth and Planetary Sciences
- Publisher
- Annual Reviews
- Published
- 2005-05-31
- Volume
- 33
- Issue
- 1
- Pages
- 531-570
- ISSN
- 0084-6597 (ISSN-L)
- 1545-4495
- OpenAlex
- W2133510984
- Cited by
- 234
- References
- 81
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 14 · 2023: 9 · 2022: 4 · 2021: 11 · 2020: 12 · 2019: 7 · 2018: 9 · 2017: 5 · 2016: 7 · 2015: 14 · 2014: 15 · 2013: 14 · 2012: 10
- FWCI
- 2.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Annual Review of Earth and Planetary Sciences (publishedVersion)
- Funders
- National Aeronautics and Space Administration
- Topics
- Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geological and Geochemical Analysis
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Keywords
- tungsten isotopes, Hf isotopes, Earth formation, Moon formation, giant impact hypothesis, core formation, radiogenic isotopes, chondrites, Moon-forming impact
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