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Shoshonite and Siltstone Definition


Siltstone 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   
Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt   

History
  
  

Origin
Wyoming,USA   
Unknown   

Discoverer
Iddings   
Unknown   

Etymology
From the place of origin called Shoshone riverin Wyoming   
From English word silt and stone and from Proto-Indo-European root sal and stainaz   

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   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Shoshonite and Siltstone

The general Shoshonite and Siltstone 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, Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. Along with definition of Shoshonite and Siltstone, get to know about Properties of Shoshonite and Siltstone. Get to know more information about Shoshonite and Siltstone origin and discoverer, etymology and class.

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History of Shoshonite and Siltstone

The history of Shoshonite and Siltstone 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 Siltstone Origin and Discoverer

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

Etymology of Shoshonite and Siltstone

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

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