Abstract
IT was not the premise of our article1 that in platform areas only isotropic magnetotelluric (MT) curves can be measured. Our chief point was that the regional MT anisotropy (in which the same characteristics are exhibited at many points over a large area) is due to the deep structure of the region. The plate margins are an example of such a region having linear structures at depth. We presented two areas which lie on plate margins and which demonstrated regional anisotropy. According to more recent investigations2, the Baikal rift, lying at an accreting plate margin, also shows regional anisotropy (Fig. 1).
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References
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STEGENA, L., HORVÁTH, F. & ÁDÁM, A. Reply by Stegena, Horváth and Ádám. Nature Physical Science 235, 120 (1972). https://doi.org/10.1038/physci235120a0
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DOI: https://doi.org/10.1038/physci235120a0