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Complex resistivity of mineral rocks in the context of the generalized effective-medium theory of the IP effect

Authors
Vladimir Burtman (University of Utah) | Michael Zhdanov (University of Utah) | Wei Lin (University of Utah) | Masashi Endo (TechnoImaging)
Document ID
SEG-2016-13848294
Publisher
Society of Exploration Geophysicists
Source
2016 SEG International Exposition and Annual Meeting, 16-21 October, Dallas, Texas
Publication Date
2016
Document Type
Conference Paper
Language
English
Copyright
2016. Society of Exploration Geophysicists
Keywords
Apparent resistivity, Frequency-domain, Interpretation, Induced polarization, Reservoir characterization
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0 in the last 30 days
38 since 2007
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Price: USD 21.00

One of the major problems in mineral exploration is the inability to reliably distinguish between economic mineral deposits and uneconomic mineralization. While the mining industry uses many geophysical methods to locate mineral deposits, until recently, there was no reliable technology for identification and characterization of mineral resources. The main goal of this paper is an application of the generalized effective-medium theory of induced polarization (GEMTIP) to studying the complex resistivity of typical mineral rocks. We collected representative rock samples from the Cu-Au deposit in Mongolia, and subjected them to the mineralogical analysis using Quantitative Evaluation of Minerals by Scanning Electron Microscopy (QEMSCan) technology. We also conducted an analysis of the electrical properties of the same samples using the laboratory complex resistivity (CR) measurement system. As a result, we have established relationships between the mineral composition of the rocks, determined using QEMSCan analysis, and the parameters of the GEMTIP model defined from the lab measurements of the electrical properties of the rocks. These relationships open the possibility for remote estimation of types of mineralization using spectral IP data.

Presentation Date: Wednesday, October 19, 2016

Start Time: 3:35:00 PM

Location: Lobby D/C

Presentation Type: POSTER

File Size  1 MBNumber of Pages   5

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