Tungsten isotope evidence that mantle plumes contain no contribution from the Earths core
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Schersten, Anders; Elliott, Tim; Hawkesworth, Chris; Norman, Marc
Description
Osmium isotope ratios provide important constraints on the sources of ocean-island basalts, but two very different models have been put forward to explain such data. One model interprets187Os-enrichments in terms of a component of recycled oceanic crust within the source material. The other model infers that interaction of the mantle with the Earth's outer core produces the isotope anomalies and, as a result of coupled186Os-187Os anomalies, put time constraints on inner-core formation. Like...[Show more]
Collections | ANU Research Publications |
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Date published: | 2004 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/86790 |
Source: | Nature |
DOI: | 10.1038/nature02221 |
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01_Schersten_Tungsten_isotope_evidence_that_2004.pdf | 189.96 kB | Adobe PDF | Request a copy |
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