| Abbreviation | Definition |
|---|---|
| DDC | Dominion Diamond Corporation |
| DDR | Daily Drilling Report |
| DE | Diatomaceous Earth |
| DE | Differential Equation |
| DEEP | Deep Earth Energy Production |
| DEG | Degrees |
| DEWI | Drilling Electronic Weight Indicator |
| DF | Deformation Front |
| DF | Dodurga Fault |
| DFG | Dig For Gold |
| DGMR | Division of Geology and Mineral Resources |
| DGP | Department of Geology and Paleontology |
| DGR | Deep Geologic Repository, |
| DGR | Deep Geological Repository, |
| DM | Deep Mine |
| DM | Depleted Mantle |
| DMD | Double Meridian Distance |
| DMGC | Diamonds and Mantle Geodynamics of Carbon |
| DMS | Dig More Stones |
| DNAG | Decade of North American Geology |