Comparison of Anomalous Effects Determined using Telluric Fields and Time Domain I.P. Technique (Test Results)

S. Murali; LB. Ramaprasada Rao; V.L.S. Bhimasankaram

doi:10.1071/EG980045

ISSN: 0812-3985
E-ISSN: 1834-7533

Comparison of Anomalous Effects Determined using Telluric Fields and Time Domain I.P. Technique (Test Results)
Authors S. Murali, LB. Ramaprasada Rao and V.L.S. Bhimasankaram
Publisher: Australian Society of Exploration Geophysicists
Source: Exploration Geophysics, Volume 11, Issue 1-2, Jun 1980, p. 45 - 46
DOI: https://doi.org/10.1071/EG980045
- Published online: 01 Jun 1980

Abstract

Some characteristics of telluric activity at different frequencies were found to be anomalous over a mineralised quartz vein, also exhibiting a self-potential (S.P.) anomaly. Subsequently equipment capable of measuring the telluric field at 9.5 Hz and 22.5 Hz was developed and tested, together with time domain I.P. over a mineralised zone in Madhya Pradesh, India. The results of the telluric field data agreed qualitatively with time domain I.P. data. The results suggest a basis for a natural-field approach to I.P. techniques.

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References

BALSER, M., WAGNER, C.A., 1962: Diurnal Power Variations of earth ionosphere cavity modes and their relationship to world wide thunderstorm activity. Jour. Geophysic. Res., Vol. 67 No 2 pp 619-625.
BLEIL, D.F., 1964: Introductory talk entitled “Natural electromagnetic phenomena, in proceedings of symposium, NATO Advanced Study Institute, Plenum Press, pp 1-26.
RAEMER, H., 1961: Effect of underground induced polarization on ELF propagation. Jour. Geophysic. Res,, Vol. 66 No 5 dd 1596-1597.
SLANKIS, J.A., TELFORD, W.M. and BECKER, A. 1972: “8 Hz telluric and magneto telluric prospecting. Geophysics, Vol. 37, pp 862-878.
WAIT, J.R., I960: “Mode theory and propagation of ELF Radio-waves, Jour. Res. NBS. Vol. 64 D (4) pp 387-404.

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Article Type: Research Article

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Comparison of Anomalous Effects Determined using Telluric Fields and Time Domain I.P. Technique (Test Results)

Abstract

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