P h . D . T he si s Binary inversion of gravity data for salt imaging

.........................................................................................iii LIST OF FIGURES..................................................................................ix ACKNOWLDEGEMENTS........................................................................xv DEDICATION......................................................................................xvii Chapter 1: INTRODUCTION......................................................................1 Chapter 2: BINARY INVERSION................................................................8 2.1. Inversion Methods for Imaging Salt Structure.....................................9 2.1.1. Interface Inversion.........................................................9 2.1.2. Density Inversion.........................................................10 2.2. Binary Inversion.......................................................................11 2.2.1. Background................................................................11 2.2.2. Theory.....................................................................12 2.2.3. Numerical Solution......................................................16 2.2.3.1. Forward Modeling............................................17 2.2.3.2. Data-Misfit.....................................................17 2.2.3.3. Model Objective Function...................................18 2.2.3.4. Depth Weighting..............................................19