Definition
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
A carbonate rock which is matrix supported and contains over 10% allochems in a carbonate mud matrix.
History
Origin
Italy
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Discoverer
Unknown
Unknown
Etymology
From a Latin word tophous then in Italian tufo and finally tuff
From the English mud and stone, from low German mudde and stainaz
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
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Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock