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Shoshonite and Appinite Definition


Appinite 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   
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished   

History
  
  

Origin
Wyoming,USA   
Unknown   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Plutonic   

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

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<< Summary

Definition of Shoshonite and Appinite

The general Shoshonite and Appinite 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, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Shoshonite and Appinite, get to know about Properties of Shoshonite and Appinite. Get to know more information about Shoshonite and Appinite origin and discoverer, etymology and class.

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History of Shoshonite and Appinite

The history of Shoshonite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Shoshonite and Appinite

Along with Shoshonite and Appinite definition, know more about the etymology of Shoshonite and Appinite. Etymology of Shoshonite and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Appinite. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Appinite 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 and Appinite belong to Igneous Rocks. The sub-class, group and other categories of Shoshonite and Appinite are listed below.

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