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The composition of the lower mantle

Anderson, Don L. and Jordan, T. (1970) The composition of the lower mantle. Physics of the Earth and Planetary Interiors, 3 . pp. 23-35. ISSN 0031-9201.

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The equation of state of the lower mantle is found by requiring that both the density and the seismic parameter ∅ = (∂P / ∂P_s = V ^2-(4/3)V^2_s be satisfied. The zer the lower mantle can then be found and the mean atomic weight can be inferred. For most published density models for the Earth the FeO content of the lower mantle is greater than the upper mantle. This indicates that the mantle is not homogeneous in composition as is usually assumed.

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Additional Information:© 1970 North-Holland Publishing Company. Contribution 1623, Division of Geological Sciences, California Institute of Technology, Pasadena, California 91109, U.S.A. This research was supported by National Science Foundation Grant GA 1003.
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NSFGA 1003
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Caltech Division of Geological Sciences1623
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Official Citation:Don L. Anderson, T. Jordan, The composition of the lower mantle, Physics of the Earth and Planetary Interiors, Volume 3, 1970, Pages 23-35, ISSN 0031-9201, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45736
Deposited By: Ruth Sustaita
Deposited On:14 May 2014 17:31
Last Modified:03 Oct 2019 06:35

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