Home

Igneous Rocks + -

Fossil Rocks + -

Metamorphic Rocks + -

Durable Rocks + -

Medium Grained Rocks + -

Compare Rocks


Gneiss and Tachylite Definition


Tachylite and Gneiss Definition


Definition

Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks   
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt   

History
  
  

Origin
Unknown   
Iceland   

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From German Tachylite, from tachy- + Greek lutos soluble, melting   

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   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Gneiss and Tachylite

The general Gneiss and Tachylite definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Gneiss and Tachylite, get to know about Properties of Gneiss and Tachylite. Get to know more information about Gneiss and Tachylite origin and discoverer, etymology and class.

Compare Metamorphic Rocks

History of Gneiss and Tachylite

The history of Gneiss and Tachylite 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.

Gneiss and Tachylite Origin and Discoverer

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

Etymology of Gneiss and Tachylite

Along with Gneiss and Tachylite definition, know more about the etymology of Gneiss and Tachylite. Etymology of Gneiss and Tachylite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Tachylite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Tachylite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Tachylite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Tachylite are listed below.

For Gneiss,

For Tachylite,

Metamorphic Rocks

Metamorphic Rocks

» More Metamorphic Rocks

Compare Metamorphic Rocks

» More Compare Metamorphic Rocks