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Ignimbrite and Shoshonite Definition


Shoshonite and Ignimbrite Definition


Definition

Definition
Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows   
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
New Zealand   
Wyoming,USA   

Discoverer
Patrick Marshall   
Iddings   

Etymology
From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -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 Ignimbrite and Shoshonite

The general Ignimbrite and Shoshonite definition can be stated as: Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. 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 Ignimbrite and Shoshonite, get to know about Properties of Ignimbrite and Shoshonite. Get to know more information about Ignimbrite and Shoshonite origin and discoverer, etymology and class.

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History of Ignimbrite and Shoshonite

The history of Ignimbrite 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.

Ignimbrite and Shoshonite Origin and Discoverer

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

Etymology of Ignimbrite and Shoshonite

Along with Ignimbrite and Shoshonite definition, know more about the etymology of Ignimbrite and Shoshonite. Etymology of Ignimbrite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Ignimbrite and Formation of Shoshonite. The etymology of Ignimbrite is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite while that of Shoshonite is From Latin ignis fire + imber, imbr- shower of rain, storm cloud + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Ignimbrite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Ignimbrite and Shoshonite are listed below.

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