Tuff

Type	Igneous Rock
Texture	Pyroclastic
Origin	Extrusive/Volcanic
Chemical Composition	Felsic
Color	Pink
Mineral Composition	Predominantly Glass
Miscellaneous	Dark Pink/Red Lapilli in Ash matrix
Tectonic Environment	Convergent Boundary – Andean-type subduction zones, intracontinental hot spots and rifts

Type	Igneous Rock
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