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Andesite
Andesite

Tephrite
Tephrite



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Andesite and Tephrite Definition

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1 Definition
1.1 Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock
1.2 History
1.2.1 Origin
North America
Germany
1.2.2 Discoverer
Unknown
Van Tooren
1.3 Etymology
From Andes mountains, where it is found in abundance
From Greek tephra, ashes from Indo-European base, to burn
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard 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 Andesite and Tephrite

The general Andesite and Tephrite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Andesite and Tephrite, get to know about Properties of Andesite and Tephrite. Get to know more information about Andesite and Tephrite origin and discoverer, etymology and class.

History of Andesite and Tephrite

The history of Andesite 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.

Andesite and Tephrite Origin and Discoverer

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

Etymology of Andesite and Tephrite

Along with Andesite and Tephrite definition, know more about the etymology of Andesite and Tephrite. Etymology of Andesite and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Tephrite. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Tephrite is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite and Tephrite belong to Igneous Rocks. The sub-class, group and other categories of Andesite and Tephrite are listed below.

For Andesite,

  • Sub-class: Durable Rock and Hard 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