Home
Compare Rocks


Felsite and Shoshonite Definition


Shoshonite and Felsite Definition


Definition

Definition
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   
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass   

History
  
  

Origin
Unknown   
Wyoming,USA   

Discoverer
Unknown   
Iddings   

Etymology
From English feldspar and -ite   
From the place of origin called Shoshone riverin Wyoming   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Felsite and Shoshonite

The general Felsite and Shoshonite definition can be stated as: 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. On the other hand, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Felsite and Shoshonite, get to know about Properties of Felsite and Shoshonite. Get to know more information about Felsite and Shoshonite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Felsite and Shoshonite

The history of Felsite and Shoshonite 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.

Felsite and Shoshonite Origin and Discoverer

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

Etymology of Felsite and Shoshonite

Along with Felsite and Shoshonite definition, know more about the etymology of Felsite and Shoshonite. Etymology of Felsite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Felsite and Formation of Shoshonite. The etymology of Felsite is From English feldspar and -ite while that of Shoshonite is From English feldspar and -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Felsite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Felsite and Shoshonite are listed below.

For Felsite,

For Shoshonite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks