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Abstract

Summary

The so-called critical elements can be connected to polimetallic ores therefore geophysical measurements were carried out in the area to explore and describe ore bodies in volcanic geological environment.

Geoelectric, especially the Induced Polarization (IP) method yields good results. For the interpretation of IP curves the TAU-transformation was developed, which provide the spectral information of polarization with the spectrum of time-constants. With introducing the Weighted Amplitude Value (WAV) it was possible to give quantitative characterization of the ore. With the application of these processing methods, two different type of mineralization could be distinguished: a stock-vein type ore which is mainly affected by redox processes in the western part and primary porphyritic mineralization on the northern part of the exploration area. The results proved the applicability of TAU-transformation and WAV in case of ore exploration. Based on the WAV, corrected apparent specific conductivity metallic and redox polarization maps, three points were marked out for drilling.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.20142022
2014-09-08
2024-04-24

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References

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Near Surface Ore Exploration Using TAU-transformation of Time-domain IP Data
Conference Proceedings 2014, 1 (2014); https://doi.org/10.3997/2214-4609.20142022
/content/papers/10.3997/2214-4609.20142022
/content/papers/10.3997/2214-4609.20142022
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