Schersten, Anders; Elliott, Tim; Hawkesworth, Chris; Norman, Marc
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]
Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.