Transient electromagnetic responses of surficial, polarizable patches-Reference-Cited by-同舟云学术

Transient electromagnetic responses of surficial, polarizable patches

Published:1990-08 Issue:8 Volume:55 Page:1098-1100
ISSN:0016-8033
Container-title:GEOPHYSICS
language:en
Short-container-title:GEOPHYSICS

Author:

Hohmann G. W.¹,Newman G. A.²

Affiliation:

1. Department of Geology and Geophysics, University of Utah, 717 W. C. Browning Bldg., Salt Lake City, UT 84112-1183

2. Sandia National Laboratory, P.O. Box 5800, Albuquerque, NM 87185

Abstract

Abnormal decay curves that are depressed or change sign often are observed in coincident‐loop and central‐loop transient electromagnetic (TEM) measurements, particularly in areas of conductive overburden. With the publication of papers by Smith and West (1989a, b) and Flis et al. (1989), the phenomenon, which is due to induced polarization (IP) in near‐surface, weakly polarizable material such as clay, is well understood.

Publisher

Society of Exploration Geophysicists

Subject

Geochemistry and Petrology,Geophysics

Link

https://library.seg.org/doi/pdf/10.1190/1.1442921

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