Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems

Zhdanov, Michael S.

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Title: Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems

Abstract

Mineral exploration needs a reliable method to distinguish between uneconomic mineral deposits and economic mineralization. A method and system includes a geophysical technique for subsurface material characterization, mineral exploration and mineral discrimination. The technique introduced in this invention detects induced polarization effects in electromagnetic data and uses remote geophysical observations to determine the parameters of an effective conductivity relaxation model using a composite analytical multi-phase model of the rock formations. The conductivity relaxation model and analytical model can be used to determine parameters related by analytical expressions to the physical characteristics of the microstructure of the rocks and minerals. These parameters are ultimately used for the discrimination of different components in underground formations, and in this way provide an ability to distinguish between uneconomic mineral deposits and zones of economic mineralization using geophysical remote sensing technology.

Inventors:

Zhdanov, Michael S. ^[1]

Salt Lake City, UT

Issue Date:: 2008-01-29

Research Org.:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 983702

Patent Number(s):: 7324899

Application Number:: 11/492,221

Assignee:: University of Utah (Salt Lake City, UT)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS

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G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS
G01V3/12 - operating with electromagnetic waves {

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DOE Contract Number:: FC26-04NT42081

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES

Citation Formats


                    Zhdanov, Michael S. Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems.  United States: N. p., 2008. 
        Web.

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                    Zhdanov, Michael S. Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems.  United States.

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                    Zhdanov, Michael S. Tue .  
        "Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems".  United States.  https://www.osti.gov/servlets/purl/983702.

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@article{osti_983702,

  title        = {Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems},

  author       = {Zhdanov, Michael S.},

  abstractNote = {Mineral exploration needs a reliable method to distinguish between uneconomic mineral deposits and economic mineralization. A method and system includes a geophysical technique for subsurface material characterization, mineral exploration and mineral discrimination. The technique introduced in this invention detects induced polarization effects in electromagnetic data and uses remote geophysical observations to determine the parameters of an effective conductivity relaxation model using a composite analytical multi-phase model of the rock formations. The conductivity relaxation model and analytical model can be used to determine parameters related by analytical expressions to the physical characteristics of the microstructure of the rocks and minerals. These parameters are ultimately used for the discrimination of different components in underground formations, and in this way provide an ability to distinguish between uneconomic mineral deposits and zones of economic mineralization using geophysical remote sensing technology.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2008},

  month        = {1}

}

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Works referenced in this record:

Sharp boundary inversion of 2D magnetotelluric data
journal, July 1999

Smith, Torquil; Hoversten, Michael; Gasperikova, Erika
Geophysical Prospecting, Vol. 47, Issue 4
https://doi.org/10.1046/j.1365-2478.1999.00145.x

Effective‐medium theories for two‐phase dielectric media
journal, March 1985

Norris, A. N.; Sheng, P.; Callegari, A. J.
Journal of Applied Physics, Vol. 57, Issue 6
https://doi.org/10.1063/1.334384

Induced Polarization, a Study of its Causes
journal, October 1959

Marshall, Donald J.; Madden, Theodore R.
GEOPHYSICS, Vol. 24, Issue 4
https://doi.org/10.1190/1.1438659

Inversion of magnetotelluric data for 2D structure with sharp resistivity contrasts
journal, January 2004

de Groot‐Hedlin, Catherine; Constable, Steven
GEOPHYSICS, Vol. 69, Issue 1
https://doi.org/10.1190/1.1649377

Dispersion and Absorption in Dielectrics II. Direct Current Characteristics
journal, February 1942

Cole, Kenneth S.; Cole, Robert H.
The Journal of Chemical Physics, Vol. 10, Issue 2
https://doi.org/10.1063/1.1723677

Recent Advances and Applications in Complex Resistivity Measurements
journal, October 1975

Zonge, Kenneth L.; Wynn, Jeffrey C.
GEOPHYSICS, Vol. 40, Issue 5
https://doi.org/10.1190/1.1440572

Mineral Discrimination and Removal of Inductive Coupling with Multifrequency ip
journal, April 1978

Pelton, W. H.; Ward, S. H.; Hallof, P. G.
GEOPHYSICS, Vol. 43, Issue 3
https://doi.org/10.1190/1.1440839

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Similar Records

Title: Geophysical technique for mineral exploration and discrimination based on electromagnetic methods and associated systems

Abstract

Citation Formats

Sharp boundary inversion of 2D magnetotelluric data journal, July 1999

Effective‐medium theories for two‐phase dielectric media journal, March 1985

Induced Polarization, a Study of its Causes journal, October 1959

Inversion of magnetotelluric data for 2D structure with sharp resistivity contrasts journal, January 2004

Dispersion and Absorption in Dielectrics II. Direct Current Characteristics journal, February 1942

Recent Advances and Applications in Complex Resistivity Measurements journal, October 1975

Mineral Discrimination and Removal of Inductive Coupling with Multifrequency ip journal, April 1978

Sharp boundary inversion of 2D magnetotelluric data
journal, July 1999

Effective‐medium theories for two‐phase dielectric media
journal, March 1985

Induced Polarization, a Study of its Causes
journal, October 1959

Inversion of magnetotelluric data for 2D structure with sharp resistivity contrasts
journal, January 2004

Dispersion and Absorption in Dielectrics II. Direct Current Characteristics
journal, February 1942

Recent Advances and Applications in Complex Resistivity Measurements
journal, October 1975

Mineral Discrimination and Removal of Inductive Coupling with Multifrequency ip
journal, April 1978