Characteristics of 2D- and 3D-potential field anomaly interpretation
About authors
- 1 — Ph.D. laboratory head FGU NPP «Geologorazvedka»
- 2 — research assistant FGU NPP «Geologorazvedka»
- 3 — Ph.D. senior research assistant FGU NPP «Geologorazvedka»
- 4 — student Saint Petersburg State Mining University
Abstract
This paper contains methods of gravity and magnetic data processing with evaluation of effective density and magnetic intensity of rocks. The most preferred method of 3D-processing so as to create three dimensional models of gravity and magnetic distribution is that one which count gravity and magnetic fields around a circle near the calculation point. It is highly effectively to use this method if there are some isometric objects. This algorithm leads to a geometry distortion of the resulting objects and a marked increase in predicted depth if examined bodies are twodimensional and overlie horizontal or aslope. This might cause errors in data interpretation.
Область исследования:
(Archived) Application of the modern geophysical technologies for prospecting and exploration of mineral deposits
Funding:
None
References
- Bloch Y.I., Kaplun D.V., Konyaev O.N. Opportunities to potential field interpretation with singular point method in integrated system «Singular» // University news. Geology and prospecting. 1993. N 6. P.123-127.
- Kozlov S.A., Alekseev S.G., Lebedkin P.A., Savizkiy A.P., Shtokalenko M.B. Seismic cross section lateral comparison with potential field singular sources structures, effective density and rock magnetism // Theory and practics of the geological interpretation of gravimetric, magnetic and electromagnetic data: Materials of the 36 session of D.G.Uspenskiy international scientific seminar. Kazan, 2009. P.164-166.
- Priezev I.I. Conversion of physical parameters structure according to the data from gravity prospecting, magnetic prospecting and seismic prospecting // Geophysics. 2005. N 3. P.46-51.
- Shtokalenko M.B., Alekseev S.G. Wavelet-transformations with physical meaning // Theory and practics of the geological interpretation of gravimetric, magnetic and electromagnetic data: Materials of the 34 session of D.G.Uspenskiy international scientific seminar. Мoscow, 2007. P.293-297.
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