This course uses hands-on activities to demonstrate key considerations for data preparation, testing acquisition hypotheses with forward modelling, auxiliary parameters for inversion setup, best practices for inversion modelling, and finally exploring the inversion solution space. Participants will have the opportunity to create models during and after the workshop using VOXI Earth Modelling.
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This course uses hands-on activities to demonstrate key considerations for data preparation, testing acquisition hypotheses with forward modelling, auxiliary parameters for inversion setup, best practices for inversion modelling, and finally exploring the inversion solution space. Participants will have the opportunity to create models during and after the workshop using VOXI Earth Modelling.
Registration includes complimentary access to everything you need, including Oasis montaj, and a subscription to VOXI Earth Modelling.
Duration:
2 x 4hr sessions (run over 2 days = 8hr)
Maximum Capacity:
10 Participants
Prerequisites:
None
What will the course cover?
-Understanding Inversion
-Core concepts to inversion – for beginners or non-inversion specialists
-Inversion, constraints, and non-uniqueness
-Understanding model norms and data misfit
-Auxiliary Information in Inversion
-What is auxiliary information/discretization?
-Mesh geometry (CCC) and cell size
-Data sampling
-Error type and misfit distribution
-Trend removal
-Introduction to the VOXI Environment
-Available tools
-User interface and integration with Oasis montaj
-Acceleration and regularization settings
-Unconstrained inversion workflow
-Forward modelling workflow
-Magnetization Vector Inversion
-Overview and applications
-Understanding inversion component outputs
-Model Building and Applying Constraints
-Introduction to constraint building tools and integration with wireframing
-Upper and lower bounds
-Parameter reference and weighting models
-Gradient reference and weighting models
-Iterative Reweighting Inversion
-What take-aways will I get from the course?
-Comprehensive session notes
-Common workflow ‘cheat sheets’
-Certificate of completion
-What should I have?
-Please have your own laptop with the latest version of Oasis montaj installed, as well as a mouse and charger
-A stable internet connection (https://support.goto.com/meeting/system-check)
-A secondary screen is highly recommended
Seequent will provide a 14-day software training subscription for the training event.
Geoff is a professional Geophysicist with 15 years’ experience in mining exploration and applied geophysics.
Geoff has an educational background in Computer Science and Geophysics. He started his career processing and interpreting near-surface seismic data contributing to the National Earthquake Hazards Reduction Program in Canada.
Moving into exploration Geopshyics, he has experience with airborne and ground geophysical data specializing in Electromagnetic, Potential Fields and Radiometric techniques.
Geoff has been using Oasis montaj for over 10 years and is an active member of the Geophysical community and the Geosoft GX Development Community.
In 2018 Geoff joined Seequent and is based in Vancouver, Canada. In his current role as Senior Geophysicist he contributes to training, project assistance, and supporting users globally.
