Definition
Origin
Discoverer
Etymology
Class
Sub-Class
Group
Other Categories
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite
From Pantelleria, a volcanic island in the Strait of Sicily
Fine Grained Rock, Opaque Rock
Marl is an unconsolidated sedimentary rock consisting of clay and lime
From Old French marle, from Late Latin marglia
Fine Grained Rock, Opaque Rock