Models of earth structure inferred from neodymium and strontium isotopic abundances
- 1 August 1979
- journal article
- Published by Oxford University Press (OUP) in Proceedings of the National Academy of Sciences
- Vol. 76 (8) , 3594-3598
- https://doi.org/10.1073/pnas.76.8.3594
Abstract
A simplified model of earth structure based on the Nd and Sr isotopic characteristics of oceanic and continental tholeiitic flood basalts is presented, taking into account the motion of crustal plates and a chemical balance for trace elements. The resulting structure that is inferred consists of a lower mantle that is still essentially undifferentiated, overlain by an upper mantle that is the residue of the original source from which the continents were derived.Keywords
This publication has 2 references indexed in Scilit:
- Neodymium isotopes in flood basalts from the Siberian Platform and inferences about their mantle sourcesProceedings of the National Academy of Sciences, 1979
- Ancient Lithosphere: Its Role in Young Continental VolcanismScience, 1976