Home
Compare Rocks


Pseudotachylite and Felsite Definition


Felsite and Pseudotachylite Definition


Definition

Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   
From English feldspar and -ite   

Class
Metamorphic Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Pseudotachylite and Felsite

The general Pseudotachylite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Pseudotachylite and Felsite, get to know about Properties of Pseudotachylite and Felsite. Get to know more information about Pseudotachylite and Felsite origin and discoverer, etymology and class.

Compare Metamorphic Rocks

History of Pseudotachylite and Felsite

The history of Pseudotachylite and Felsite 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 Felsite Origin and Discoverer

Pseudotachylite and Felsite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pseudotachylite and Felsite. In this section, you will know about Pseudotachylite and Felsite Origin and Discoverer. Origin of Pseudotachylite is USA whereas Origin of Felsite is Unknown. It is interesting to know the name of Pseudotachylite and Felsite discoverer. The discoverer of Pseudotachylite and Felsite are Unknown.

Etymology of Pseudotachylite and Felsite

Along with Pseudotachylite and Felsite definition, know more about the etymology of Pseudotachylite and Felsite. Etymology of Pseudotachylite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Felsite. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Felsite 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 Felsite belongs to Igneous Rocks. The sub-class, group and other categories of Pseudotachylite and Felsite are listed below.

For Pseudotachylite,

For Felsite,

Metamorphic Rocks

Metamorphic Rocks

» More Metamorphic Rocks

Compare Metamorphic Rocks

» More Compare Metamorphic Rocks