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Felsite
Felsite

Shoshonite
Shoshonite



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Felsite
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Shoshonite

Felsite and Shoshonite Definition

1 Definition
1.1 Definition
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise 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
1.2 History
1.2.1 Origin
Unknown
Wyoming,USA
1.2.2 Discoverer
Unknown
Iddings
1.3 Etymology
From English feldspar and -ite
From the place of origin called Shoshone riverin Wyoming
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Felsite and Shoshonite

The general Felsite and Shoshonite definition can be stated as: Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Felsite and Shoshonite, get to know about Properties of Felsite and Shoshonite. Get to know more information about Felsite and Shoshonite origin and discoverer, etymology and class.

History of Felsite and Shoshonite

The history of Felsite 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.

Felsite and Shoshonite Origin and Discoverer

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

Etymology of Felsite and Shoshonite

Along with Felsite and Shoshonite definition, know more about the etymology of Felsite and Shoshonite. Etymology of Felsite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Felsite and Formation of Shoshonite. The etymology of Felsite is From English feldspar and -ite while that of Shoshonite is From English feldspar and -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Felsite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Felsite and Shoshonite are listed below.

For Felsite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Volcanic
  • Other Categories: Fine grained rock and Opaque rock

For Shoshonite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Volcanic
  • Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock