| Abbreviation | Definition |
|---|---|
| GNP | Glacier National Park |
| GNP | Gross Nickel Production |
| GOTN | Geology Of The Negev |
| GP | Governors Pass |
| GPM | GeoPotential Meter |
| GRASP | Geospatial Repository for Analysis and Safety Planning |
| GRIP | GReenland Icecore Project |
| GRL | Geographic Reference Locator |
| GRL | Geophysical Research Letters |
| GRS | Green River Shale |
| GSA | Geological Society of America |
| GSGE | Gulf Society for GeoEngineeiring |
| GSGS | Geographical Section General Staff |
| GSI | Geological Strength Index |
| GSOA | Geo-Service Oriented Architecture |
| GSOI | Geological Society Of Iran |
| GSOI | Geological Survey Of Israel |
| GSSA | Geological Society of South Africa |
| GSSP | Global boundary Stratotype Section and Point |
| GST | Geological Survey of Tanzania |