Home
Compare Rocks


Gneiss and Pumice Definition


Pumice 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   
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals   

History
  
  

Origin
Unknown   
Spain   

Discoverer
Unknown   
Unknown   

Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)   
From Old French pomis, from a Latin dialect variant of pumex   

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   

Texture >>
<< Summary

Definition of Gneiss and Pumice

The general Gneiss and Pumice 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, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Gneiss and Pumice, get to know about Properties of Gneiss and Pumice. Get to know more information about Gneiss and Pumice origin and discoverer, etymology and class.

Compare Metamorphic Rocks

History of Gneiss and Pumice

The history of Gneiss and Pumice 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 Pumice Origin and Discoverer

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

Etymology of Gneiss and Pumice

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

For Gneiss,

For Pumice,

Metamorphic Rocks

Metamorphic Rocks

» More Metamorphic Rocks

Compare Metamorphic Rocks

» More Compare Metamorphic Rocks