2.5D Airborne Electromagnetic Inversion
AEM
2.5D Airborne Electromagnetic Inversion
Steep and deep targets
MOKSHA-AEM provided unparalleled imaging capabilities allowing detection of challenging features and formations
Performance and Resolution
MOKSHA-AEM delivers improved resolving power vs CDI and 1D Inversions, while being faster than 3D inversion
IP Robust
MOKSHA-AEM differentiates signal and IP effects using our Joint IP Inversion algorithm, ensuring accuracy to real world phenomena.
Intrepid Geophysics provides a 2.5D Inversion service for airborne electromagnetic survey data using our proprietary MOKSHA-AEM inversion software. MOKSHA-AEM’s core algorithm assumes 2D geology and a 3D source, combining the resolution of a 3D inversion with the speed of a 1D inversion. This enables entire surveys to be inverted rather than a select few flight lines, enhancing coverage and ensuring no flight data is wasted.
A joint IP inversion option is now available, enabling imaging of geological features below previously difficult to process areas such as those covered with induced polarization effects.
Any time or frequency domain system can be supported provided we have documented system configuration. Systems already supported include:
SkyTEM
HeliTEM
VTEM
TEMPEST
SPECTREM
AEROTEM
GEOTEM
XCite
HoistEM/DiGHEM
Resolve
Enhanced Spatial Resolution
Our 2.5D Airborne EM Inversion technology offers unprecedented spatial resolution, allowing you to accurately map subsurface conductivity variations with exceptional detail.
Improved Target Definition
With our technology, you can identify and characterize subsurface targets with greater precision, enabling informed decision-making in exploration and resource assessment.
For more information on 2.5D AEM Inversion and it’s applications to resource exploration, see Rod Paterson’s webinar within the ASEG Webinar Series.
Or read 2.5D Airborne Electromagnetic inversion: A review of the benefits of moving to a higher dimension Published for the ASEG Newsletter August 2020, Issue 207
AEM 2023 Australia See our new case study within the AEM 2023 Conference or read from
Simge Ayfer; Desmond Fitzgerald – Finding Geology Structures in Depth Sections from Airborne Geophysics: Automatic workflows
Contact us for a quote and to discuss how our 2.5D Inversion service can enhance interpretation of your AEM data.
Applications for Inversion Products
Mine-Site development
Groundwater
Mining Exploration
Case Studies
Bryah Basin
Jovan Silic, Rod Paterson, Des FitzGerald & Tim Archer
This case study of a SPECTREM survey in the Bryah Basin (WA) demonstrates the ability of MOKSHA-AEM to indicate geological trends, at depth, for conductors with complex geometries.
Abra East Project Area
Rod Paterson
Inversion of Excite survey data located in the Abra East project area (WA), demonstrating MOKSHA-AEM’s joint inversion capabilities.
Publications
The advantages of 2.5D airborne electromagnetic inversion in 3D geological mapping applications compared to CDI transforms or simple 1D inversions.
2.5D electromagnetic (EM) modelling computes the response of a 3D source from an arbitrary 2D geoelectrical model.
Demonstration of the improvements made in the 2.5D AEM solver, including MPI parallelisation and optimisation of the sensitivity matrix.