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We design, manufacture and deliver geological prospecting and exploration equipment and software
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ZondGM2D - New product for 2D gravity and magnetic interpretation

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$1,750
Item ID: zondgm2d

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ZondGM2D new software for 2D gravity and magnetic survey combines the features of two predecessors ZondMag2D and ZondPGM.  The program is designed for two-dimensional multiprofile interpretation of gravity and magnetic land/boreholes/aero data.

ZondGM2D is a ready solution for the interpretation of gravity and magnetic survey data, and presents a wide spectrum of tools from mathematical modeling to the interpretation of field data. User-friendly interface and wide possibilities of visualization is the key for effective solving of geological tasks.

Unlike  predecessors, ZondGM2D offers three types of models:

Model is split by regular mesh of cells

This type is most useful for solving the inverse problem (automatic density or magnetic susceptibility recovery). Inversion results is a good start choise for further geological and geophysical interpretation.  A number of inversion algorithms are realized in software, most important are smooth and focused inversion – to get a smooth or piecewise smooth distribution of geophysical parameters.

Model is presented as set of polygonal bodies

Polygonal variant of gravimagnetic section construction that gives more structural approach to data interpretation. At this scheme two-dimensional section cosist of series of bodies with arbitrary geometries and specified density and magnetic susceptibility. Due to convenient and intuitively clear interface ZondGM2D allows to quickly creating any level of complexity models. The solution of the inverse problem for polygonal version of model presents automatic recovering petrophysical parametersand bodies geometry. Joint inversion of gravity and magnetic survey data is able for this case.

Arbitrary layered model

This type of model is useful for regions with layered geology. ZondGM2D solves forward and inverse problem for density and magnetic susceptibility, as well as for geometry of the boundary layers. Joint inversion of gravity and magnetic survey data is able for this case.

Calculations are made taking into account geomagnetic parameters of the study area, such as the declination and inclination of the magnetic induction vector, the value of the normal field, the magnetic susceptibility of the host rocks, the topography.

In addition to these algorithms, ZondGM2D presents classic version of the Euler deconvolution, which allows to get distribution of the  simplest types of gravitational and magnetic sources. Sowtware works with any components of gravity and magnetic fields and do transormations.

 Next transformation are able in ZondGM2D 

  • Calculation of the vertical and horizontal derivatives
  • Reduction of the magnetic field to pole
  • Upwarding   and suppression effect of topography
  • Robust downwarding

Removing of background component is realized in two ways – by using the median in window or in substrating air upwarding field.  Special algorithm of selective wavelet filtering for data denoising is used in software.

ZondGM2D works with simple text files, also supported well-known formats, or arbitrary columns test file. The interpretation results  can be exported to different graphics format such as Surfer or Autocad, also text files and Excel worksheet.

While software was designed special consideration given to a priori data accounting. Because of equivalence of inverse geophysical problems,  quality of the obtained results strongly depends on the amount of a priori data used. In ZondGM2D there is possibility of weights setting for measurements, fixing and limits making of changing features of different cells, using of a priori model as reference in inversion. There is also possibility to import and display results of measurements by other methods and cross-boreholes data that improved quality of results.

senselock_windows_3.1.0.0.zip
ZondGM2D_eng.pdf 2.88 mb 18 October 2016, 17:08
Video  Min Discussed method Date
Polygonal modeling in Zond software products 7:31 modelling 10.05.2016
Remanent magnetization parameters in ZondGM2D 0:49 magnetic survey 9.05.2016
Fast transformation of potential fields to section 1:49 gravity prospection 5.11.2015
Joint inversion of seismic and gravity data  1:32 seismic refraction method +  gravity prospection 11.11.2014
Reduce to pole in ZondGM2d 1:30 magnetic survey 19.09.2014
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