Detecting a magnesiowüstite phase transition in the lower mantle by inversion of geomagnetic data-Reference-Cited by-同舟云学术

Detecting a magnesiowüstite phase transition in the lower mantle by inversion of geomagnetic data

Published:2014-09-01 Issue:9 Volume:55 Page:1138-1145
ISSN:1068-7971
Container-title:Russian Geology and Geophysics
language:en
Short-container-title:

Author:

Plotkin V.V.¹,Dyad’kov P.G.¹,Ovchinnikov S.G.²

Affiliation:

1. A.A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russia

2. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk Akademgorodok 50, Building 38, Krasnoyarsk, 660036, Russia

Abstract

Abstract Global geomagnetic data are inverted for detecting a high-conductivity layer at depths of 1500–2000 km to test the hypothesis of a magnesiowüstite phase transition in the lower mantle. We present the results of processing of both synthetic and global data—average monthly values of the geomagnetic field from 1920 to 2009. The inverted global data are consistent with the possible existence of a high-conductivity layer at great depths in the lower mantle.

Publisher

GeoScienceWorld

Subject

Geology,Geophysics

Link

https://pubs.geoscienceworld.org/rgg/article-pdf/55/9/1138/5251848/v55i9_s1068797114001655.pdf

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