The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Rutile-Bearing Refractory Eclogites: Missing Link Between Continents and Depleted Mantle
Abstract
A mass imbalance exists in Earth for Nb, Ta, and possibly Ti: continental crust and depleted mantle both have subchondritic Nb/Ta, Nb/La, and Ti/Zr, which requires the existence of an additional reservoir with superchondritic ratios, such as refractory eclogite produced by slab melting. Trace element compositions of minerals in xenolithic eclogites derived from cratonic lithospheric mantle show that rutile dominates the budget of Nb and Ta in the eclogites and imparts a superchondritic Nb/Ta, Nb/La, and Ti/Zr to the whole rocks. About 1 to 6 percent by weight of eclogite is required to solve the mass imbalance in the silicate Earth, and this reservoir must have an Nb concentration ≥ 2 parts per million, Nb/La ≥ 1.2, and Nb/Ta between 19 and 37—values that overlap those of the xenolithic eclogites. As the mass of eclogite in the continental lithosphere is significantly lower than this, much of this material may reside in the lower mantle, perhaps as deep as the core-mantle boundary.
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Cites
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Cited by
Composition of the Continental Crust
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Metadata
- Authors
- Rudnick, R. L., Barth, M., Horn, I., & McDonough, W. F.
- Venue
- Science
- Published
- 2000-01-14
- Volume
- 287
- Issue
- 5451
- Pages
- 278-281
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2058459535
- Cited by
- 538
- References
- 30
- FWCI
- 16.89
- Type
- journal article
- Language
- en
- Open access
- closed
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- Rudnick, R. L., Barth, M., Horn, I., & McDonough, W. F. (2000). Rutile-Bearing Refractory Eclogites: Missing Link Between Continents and Depleted Mantle. Science. https://doi.org/10.1126/science.287.5451.278
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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.
