| Gahcho Kue kimberlite pipes(expression, name, volcano, geology) |
| Gardner Pinnacles(expression, name, volcano, geology) |
| Gelasian(noun, name, volcano, geology) |
| Georgina Basin(expression, name, volcano, geology) |
| Glen Coe(expression, name, volcano, geology) |
| Goat Rocks(expression, name, volcano, geology) |
| Goyder crater(expression, name, geology, crater) |
| Great Bear Magmatic Zone(expression, name, volcano, geology) |
| Great Meteor Seamount(expression, name, volcano, geology) |
| Guaichane-Mamuta(noun, name, volcano, geology) |
| Gzhelian(noun, name, volcano, geology) |
| Hallasan(noun, name, volcano, geology) |
| Hauterivian(noun, name, volcano, geology) |
| Heart Peaks(expression, name, volcano, geology) |
| Hettangian(noun, name, volcano, geology) |
| Hohentwiel(noun, name, volcano, geology) |
| Holleford crater(expression, name, geology, crater) |
| Hollister Peak(expression, name, volcano, geology) |
| Hottah terrane(expression, name, volcano, geology) |
| Huaynaputina(noun, name, volcano, geology) |