| Naolinco volcanic field(expression, name, field, volcanology) |
| Ocate volcanic field(expression, name, volcano, geology) |
| Ornostay Bluff(expression, name, volcano, geology) |
| Payun Matru(expression, name, volcano, geology) |
| Pebble Creek Formation(expression, name, formation, volcanology) |
| Pebble Creek Hot Springs(expression, name, spring, volcanology) |
| Pelly Formation(expression, name, volcano, geology) |
| Plinth Assemblage(expression, name, volcano, geology) |
| Potrillo volcanic field(expression, name, volcano, geology) |
| Prospect Dam(expression, name, volcano, geology) |
| Puchuldiza(noun, name, volcano, geology) |
| Pylon Assemblage(expression, name, volcano, geology) |
| Raton-Clayton volcanic field(expression, name, volcano, geology) |
| Reclus(noun, name, volcano, geology) |
| Red Hill volcanic field(expression, name, volcano, geology) |
| Rodrigues(noun, name, volcano, geology) |
| Saint George(expression, name, volcano, geology) |
| Satah Mountain volcanic field(expression, name, volcano, geology) |
| Sebuku(noun, name, volcano, geology) |
| Shield Nunatak(expression, name, volcano, geology) |