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Felsite
Felsite

Tephrite
Tephrite



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Felsite and Tephrite Definition

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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
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
1.2 History
1.2.1 Origin
Unknown
Germany
1.2.2 Discoverer
Unknown
Van Tooren
1.3 Etymology
From English feldspar and -ite
From Greek tephra, ashes from Indo-European base, to burn
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard 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 Tephrite

The general Felsite and Tephrite 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, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Felsite and Tephrite, get to know about Properties of Felsite and Tephrite. Get to know more information about Felsite and Tephrite origin and discoverer, etymology and class.

History of Felsite and Tephrite

The history of Felsite and Tephrite 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 Tephrite Origin and Discoverer

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

Etymology of Felsite and Tephrite

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

For Felsite,

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

For Tephrite,

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