Amphibolite and Tuff Definition
Definition
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase
  
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
  
History
  
  
Origin
Unknown
  
Italy
  
Discoverer
Alexandre Brongniart
  
Unknown
  
Etymology
From Amphibole + -ite
  
From a Latin word tophous then in Italian tufo and finally tuff
  
Class
Metamorphic Rocks
  
Igneous Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Medium Hardness Rock
  
Family
  
  
Group
Not Applicable
  
Volcanic
  
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Definition of Amphibolite and Tuff
The general Amphibolite and Tuff definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. On the other hand, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Amphibolite and Tuff, get to know about Properties of Amphibolite and Tuff. Get to know more information about Amphibolite and Tuff origin and discoverer, etymology and class.
History of Amphibolite and Tuff
The history of Amphibolite and Tuff gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.
Amphibolite and Tuff Origin and Discoverer
Amphibolite and Tuff definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Amphibolite and Tuff. In this section, you will know about Amphibolite and Tuff Origin and Discoverer. Origin of Amphibolite is Unknown whereas Origin of Tuff is Italy. It is interesting to know the name of Amphibolite and Tuff discoverer. The Discoverer of Amphibolite is Alexandre Brongniart and the discoverer of Tuff is Unknown.
Etymology of Amphibolite and Tuff
Along with Amphibolite and Tuff definition, know more about the etymology of Amphibolite and Tuff. Etymology of Amphibolite and Tuff gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Tuff. The etymology of Amphibolite is From Amphibole + -ite while that of Tuff is From Amphibole + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Amphibolite belongs to Metamorphic Rocks while Tuff belongs to Igneous Rocks. The sub-class, group and other categories of Amphibolite and Tuff are listed below.
For Amphibolite,
- Sub-class: Durable Rock and Hard Rock
- Group: Not applicable
- Other Categories: Coarse grained rock, Medium grained rock and Opaque rock
For Tuff,
- Sub-class: Durable Rock and Medium Hardness Rock
- Group: Volcanic
- Other Categories: Fine grained rock and Opaque rock