Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
Italy
European Foreland Basins
Discoverer
Unknown
Arnold H. Bouma
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock