Pseudotachylite and Dacite Definition
Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
  
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite
  
History
  
  
Origin
USA
  
Romania and Moldova, Europe
  
Discoverer
Unknown
  
Unknown
  
Etymology
From pseudo- + tachylite, a glassy rock generated by frictional heat within faults.
  
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described
  
Class
Metamorphic Rocks
  
Igneous Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Soft Rock
  
Family
  
  
Group
Not Applicable
  
Volcanic
  
Other Categories
Fine Grained Rock, Opaque Rock
  
Fine Grained Rock, Medium Grained Rock, Opaque Rock
  
Definition of Pseudotachylite and Dacite
The general Pseudotachylite and Dacite definition can be stated as: Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. On the other hand, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Pseudotachylite and Dacite, get to know about Properties of Pseudotachylite and Dacite. Get to know more information about Pseudotachylite and Dacite origin and discoverer, etymology and class.
History of Pseudotachylite and Dacite
The history of Pseudotachylite and Dacite 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.
Pseudotachylite and Dacite Origin and Discoverer
Pseudotachylite and Dacite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pseudotachylite and Dacite. In this section, you will know about Pseudotachylite and Dacite Origin and Discoverer. Origin of Pseudotachylite is USA whereas Origin of Dacite is Romania and Moldova, Europe. It is interesting to know the name of Pseudotachylite and Dacite discoverer. The discoverer of Pseudotachylite and Dacite are Unknown.
Etymology of Pseudotachylite and Dacite
Along with Pseudotachylite and Dacite definition, know more about the etymology of Pseudotachylite and Dacite. Etymology of Pseudotachylite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Dacite. The etymology of Pseudotachylite is From pseudo- + tachylite, a glassy rock generated by frictional heat within faults. while that of Dacite is From pseudo- + tachylite, a glassy rock generated by frictional heat within faults.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pseudotachylite belongs to Metamorphic Rocks while Dacite belongs to Igneous Rocks. The sub-class, group and other categories of Pseudotachylite and Dacite are listed below.
For Pseudotachylite,
- Sub-class: Durable Rock and Hard Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock
For Dacite,
- Sub-class: Durable Rock and Soft Rock
- Group: Volcanic
- Other Categories: Fine grained rock, Medium grained rock and Opaque rock