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RESOLVING ANISOTROPY IN LAYERED MEDIA BY JOINT INVERSION *
Author(s) -
JUPP D. L. B.,
VOZOFF K.
Publication year - 1977
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1977.tb01181.x
Subject(s) - magnetotellurics , anisotropy , geology , inversion (geology) , electrical resistivity and conductivity , joint (building) , geophysics , economic geology , gemology , regional geology , composite number , engineering geology , mineralogy , hydrogeology , telmatology , geotechnical engineering , materials science , seismology , optics , composite material , tectonics , physics , electrical engineering , volcanism , engineering , architectural engineering
A bstract A finite number of layers must normally be used to represent the electrical properties of a horizontally‐layered region. It is well known that these representative layers must include anisotropy. Applying the concept of joint inversion to DC resistivity and magnetotelluric (electromagnetic) data from a structure consisting of many fine layers, we show how the resistivities in the horizontal and vertical directions can be separately determined in each layer. The results are related to the contrasts existing in the interbeds which comprise the composite layers. The method has applications in both engineering and exploration.