The Olim volcanics are Pleistocene porphyritic andesitic volcaniclastics erupted from fissure vents (Bennett et al., 1981, Keats et al., 1981).
| Elevation | |
| Volcano Type | Fissure vent(s) |
| Geologic Epoch | Pleistocene |
| Country | Indonesia |
| Region | Indonesia |
| Subregion | Sumatra |
| Tectonic Setting | |
| Dominant Rock |
