Spectral IP and Resistivity

Spectral Induced Polarization & Resistivity surveys (IP & Res) are excellent methods for detecting disseminated sulphide mineralization that could be associated with gold. The surveys are carried out using surface and borehole modes.

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Large Loop TDEM

ClearView Geophysics Inc. owns and operates transient PROTEM receivers and TEM57/67 transmitters built by Geonics. This system has proven itself useful for detecting both good and bad conductor sulphide mineralization located both shallow and 100’s of metres deep.  It is also useful for detecting sources of water.

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Snowmobile-Mode Cesium Magnetics and more...

Cesium magnetometer and other geophysical surveys are carried out using custom-built sleighs, carts or rafts pulled behind standard snowmobiles, ATVs and boats.  The snowmobile-mode cesium magnetics system has proven itself on numerous large-scale mineral exploration projects during the past 25+ years. 

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Seismic Refraction

Seismic Refraction surveys are typically carried out for depth to bedrock investigations.  The "shot" can be either an explosive or hammer source.  Interpex IXRefraX software is used to process the data.

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Electromagnetic (EM) and Magnetic surveys

EM and Magnetic surveys are perhaps the most common geophysical methods used on mineral exploration and environmental investigations. The most commonly used EM instruments for environmental investigations are the Geonics EM31 and EM61.

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GPR ( Ground Penetrating Radar )

GPR works best in low conductivity areas. Conductive materials (e.g., clay) attenuate the GPR signal to the point that very little depth penetration is achieved. Penetration is greatest in unsaturated sands and fine gravels.

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Gravity surveys are completed for a number or applications, including mineral exploration (e.g., diamonds) and geotechnical investigations (e.g., escarpments).

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Geophysical Interpretation

ClearView has extensive experience interpreting airborne and ground-based geophysical data. We use UBC's suite of inversion software to produce 2D and 3D interpretations of total field magnetics and IP/Resistivity data. Post-processing software is also used to produce various derivative datasets and maps.  

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Welcome to ClearView Geophysics

ClearView Geophysics Inc. is a geophysical services company founded in 1996.  There is no better way to collect high resolution sub-surface data than with ground-based sensors or 'boots on the ground'. When you describe your project goals to us, we will design a geophysical survey to help you achieve those goals in the most cost-effective manner possible. Getting high resolution ground-based geophysical data is arduous but worth it - so we are constantly working to find ways to make it easier, such as with our snowmobile/ATV/boat-mode surveys.

Joe Mihelcic, B.Sc.(Hon), P.Eng.(ON/NB/NL/SK), P.Geo. (NU/NT/NS/NL), M.B.A.; other jurisdictions licensed and authorized as required.
Geophysicist, President & Owner

About the Owner: Mr. Mihelcic is an Applied Science '88 Geological Engineering (Geophysics Option) graduate of Queen's University at Kingston and '95 MBA graduate of Ivey Business School at the University of Western Ontario in London. He enjoys designing and implementing off-the-shelf components and technologies to make ground geophysical surveys easier and therefore more cost effective. He also writes C++ software to streamline processing and interpretation.

Distributed Array - Full 3D IP/Resistivity with Spectral

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Distributed Array surveys (DAS) are recommended for deep complex anisotropic targets where near surface resolution is a lower priority.  Hardware advances over the past decade make it possible to to acquire large quantities of data in a relatively short amount of time.  DAS are often combined with standard 2d Spectral IP/Resistivity arrays for optimal resolution and coverage. 


IRIS Instruments V-Fullwaver

There are several types of Full 3d IP/Resistivity setups and several manufacturers that provide receivers that can read various configurations.  Receivers with three potential electrode connections can allow 2D orthogonal setups at each receiver for P1, P2 and P3.

Adding to the possibilities, a reference wire can be attached between a common electrode at each receiver to allow a number of post-processing calculations and QA/QC, such as noise canceling, before getting to the point of inversion modeling. Software such as UBC 3d, used by ClearView Geophysics Inc. for decades, can handle these large complex datasets.

Most receivers are full-waveform so that standard 690ms-1050ms time slices can be used for direct comparison to conventional IP survey data sets.  Other processing such as time-series analyses and accurate spectral data can be acquired to further resolve near surface and narrower targets.  Data can be supplemented with cross-hole IP/Resistivity for refined 3d models.  Spectral data from conventional 2d arrays supplement the interpretation.  That is, the DAS survey is carried out at the same time as standard Spectral IP/Resistivity 2d surveys.

The possibilities are endless with modern instrumentation, limitless computer storage and solid-state processing speed.


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