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Picrite and Pseudotachylite Definition


Pseudotachylite and Picrite Definition


Definition

Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.   

History
  
  

Origin
Hawaii Islands   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Greek pikros bitter + -ite, 19th century   
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.   

Class
Igneous Rocks   
Metamorphic Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Picrite and Pseudotachylite

The general Picrite and Pseudotachylite definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. On the other hand, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Picrite and Pseudotachylite, get to know about Properties of Picrite and Pseudotachylite. Get to know more information about Picrite and Pseudotachylite origin and discoverer, etymology and class.

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History of Picrite and Pseudotachylite

The history of Picrite and Pseudotachylite 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.

Picrite and Pseudotachylite Origin and Discoverer

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

Etymology of Picrite and Pseudotachylite

Along with Picrite and Pseudotachylite definition, know more about the etymology of Picrite and Pseudotachylite. Etymology of Picrite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Pseudotachylite. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Pseudotachylite is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Picrite and Pseudotachylite are listed below.

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