Since 1994

Demo Databases

Note: The following databases can be used with both the licensed and demo versions of EMIGMA

  1. Overall Example (44.6 MB) - Contains actual data from a wide variety of applications including ground, borehole applications and airborne data with some processing, modeling and inversion already performed.
  2. Gravity (44.8 MB) - Exclusively gravity data examples.
  3. Magnetics (215 MB) - Geotechnical and geological magnetic examples. Both ground and airborne data are represented.
  4. TDEM (20 MB) - Time domain examples. Ground data only.
  5. FDEM (94.7 MB) - Contains GEM, IRIS and Geonics FDEM data: DUALEM, GEM2, GEM3, PROMIS, EM31, EM38, EM31-3 and a MaxMin survey.
  6. TDEM Airborne Applications (100 MB) - Time domain examples. Airborne data only.
  7. Mining Applications (81.2 MB) - Mining examples. Data types include gravity, large loop TDEM, airborne TDEM, airborne FDEM, borehole magnetics, ground magnetics, IP and airborne magnetics.
  8. IP/Resistivity (11.9 MB) - IP/Resistivity data examples.
  9. Near Surface Applications (1.42 MB) - Ground water and geotechnical applications including EM34, EM31-3, magnetics, resistivity, IP and TDEM.
  10. FDEM Airborne Applications (51.4 MB) - Examples of airborne frequency domain data.
  11. FreeSpace Plate Inversions (50.7 MB) - 3D Thin Sheet EM Inversion Examples - FDEM and TDEM
  12. CSEM (2.38 MB) - CSEM data examples.
  13. CSAMT (86.1 MB) - CSAMT data examples.
  14. MMR Applications (337 KB) - MMR data examples.
  15. VLF (41.6 MB) - VLF data examples.
  16. Magnetics/Gravity/CSEM Combined Exploration (18.7 MB) - Rocky Mtns Foothills.
  17. Natural Fields Applications (15.3 MB) - MT and ZTEM data examples.
Note: Once the downloaded file is unzipped, the directory structure must be preserved. Do not change it or you may not be able to use the database.