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Shoshonite and Gritstone Definition


Gritstone and Shoshonite Definition


Definition

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   
Gritstone or grit is a hard, coarse-grained, siliceous sandstone   

History
  
  

Origin
Wyoming,USA   
Pennines, England   

Discoverer
Iddings   
J.J. Ferber   

Etymology
From the place of origin called Shoshone riverin Wyoming   
From Grit + Stone   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

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Definition of Shoshonite and Gritstone

The general Shoshonite and Gritstone definition can be stated as: 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. On the other hand, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Shoshonite and Gritstone, get to know about Properties of Shoshonite and Gritstone. Get to know more information about Shoshonite and Gritstone origin and discoverer, etymology and class.

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History of Shoshonite and Gritstone

The history of Shoshonite and Gritstone 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.

Shoshonite and Gritstone Origin and Discoverer

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

Etymology of Shoshonite and Gritstone

Along with Shoshonite and Gritstone definition, know more about the etymology of Shoshonite and Gritstone. Etymology of Shoshonite and Gritstone gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Gritstone. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Gritstone is From the place of origin called Shoshone riverin Wyoming. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shoshonite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks. The sub-class, group and other categories of Shoshonite and Gritstone are listed below.

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