Lehmann discontinuity
The Lehmann discontinuity is an abrupt increase of
shear wave anisotropy.[7]
Notes
- ^
Figure patterned after Don L Anderson (2007). New Theory of the Earth (2nd ed.). ISBN 978-0-521-84959-3.; Original figure attributed to Grand and Helmberger (1984)
- ISBN 0-521-46728-4.
- ^ Lehmann, I. (1936): P', Publications du Bureau Central Seismologique International, Série A, Travaux Scientifique, 14, 87–115.
- ^ Martina Kölbl-Ebert (December 2001). "Inge Lehmann's paper: " P' " (1936)" (PDF).
- ^
Lars Stixrude and Carolina Lithgow-Bertolloni (2005). "Mineralogy and elasticity of the oceanic upper mantle: Origin of the low-velocity zone". J. Geophys. Res. 110 (B3): B03204. hdl:2027.42/94924.
The first possible explanation is that the Lehmann is not a global feature...the Lehmann is more prevalent under continents and may be absent under all or most of the oceans.
- ^
Kent C. Condie (1997). Plate tectonics and crustal evolution (4th ed.). ISBN 0-7506-3386-7.
- ISBN 1-86239-159-9.
General references
- P. Caloi (1967). "The "20° Discontinuity"". In H. E. Landsberg, J. Van Mieghem (ed.). Advances in geophysics, Volume 12. ISBN 0-12-018812-0. – some historic background.
Further reading
Shun-ichirō Karato (2008). Deformation of earth materials: an introduction to the rheology of solid earth. Cambridge University Press. p. 318. ISBN 978-0-521-84404-8.
External links
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