Home
Compare Rocks


Porphyry and Shoshonite Definition


Shoshonite and Porphyry Definition


Definition

Definition
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix  
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
Egypt  
Wyoming,USA  

Discoverer
Unknown  
Iddings  

Etymology
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites  
From the place of origin called Shoshone riverin Wyoming  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Plutonic  
Volcanic  

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

Texture >>
<< Summary

Definition of Porphyry and Shoshonite

The general Porphyry and Shoshonite definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. 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 Porphyry and Shoshonite, get to know about Properties of Porphyry and Shoshonite. Get to know more information about Porphyry and Shoshonite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Porphyry and Shoshonite

The history of Porphyry 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.

Porphyry and Shoshonite Origin and Discoverer

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

Etymology of Porphyry and Shoshonite

Along with Porphyry and Shoshonite definition, know more about the etymology of Porphyry and Shoshonite. Etymology of Porphyry and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Shoshonite. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Shoshonite is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Porphyry and Shoshonite are listed below.

For Porphyry,

For Shoshonite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks