3D stochastic inversion of gravity data using cokriging and cosimulation

Abstract

Three-Dimensional gravity modeling -- Forward Modeling -- Geometry of domain -- Symmetry of kernel and less memory -- Geostatistics concept -- Theory and formulation of cokriging -- Inversion by Cokriging -- Inversion by Cokriging using Constraints -- Efficient calculation of the gravity-density covariance matrix and the gravity-gravity covariance matrix -- LU simulation -- Co-simulation bases on the FFT moving averag (FFT-MA) generator -- Application do Dipping Dyke -- Application to Synthetic Data generated by stochastic method -- Study area : Matagami region -- Preparing the gravity data for inversion.

Uncontrolled Keywords

Inversion (Géophysique); Prospection gravimétrique; Krigeage; Distance inverse (Méthode); Géologie -- Méthodes statistiques