| Name | Tuff |
| Texture | Pyroclastic |
| Origin | Extrusive/Volcanic |
| Chemical Composition | Felsic |
| Color | White |
| Mineral Composition | Predominantly Glass |
| Miscellaneous | Light gray pumice fragments in white ash matrix |
| Tectonic Environment | Convergent Boundary - Andean-type subduction zones, intracontinental hot spots and rifts |
