Overtones of Free Oscillations and the Structure of the Earth's Interior
- 25 June 1971
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 172 (3990) , 1336-1338
- https://doi.org/10.1126/science.172.3990.1336
Abstract
Identification of 82 percent of all possible spheroidal overtones with greater than 300 seconds increases the resolving power of the set of gross searth data. Results of inversion indicate a change of composition in the deepest 500 kilometers of the mantle. The assumption that the inner core is rigid is required to satisfy simultaneously the data on free oscillations and travel times.Keywords
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