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Rhyodacite
Rhyodacite

Teschenite
Teschenite



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Rhyodacite and Teschenite Definition

1 Definition
1.1 Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent
1.2 History
1.2.1 Origin
USA
Scotland
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland
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
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Rhyodacite and Teschenite

The general Rhyodacite and Teschenite definition can be stated as: Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. On the other hand, Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. Along with definition of Rhyodacite and Teschenite, get to know about Properties of Rhyodacite and Teschenite. Get to know more information about Rhyodacite and Teschenite origin and discoverer, etymology and class.

History of Rhyodacite and Teschenite

The history of Rhyodacite and Teschenite 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.

Rhyodacite and Teschenite Origin and Discoverer

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

Etymology of Rhyodacite and Teschenite

Along with Rhyodacite and Teschenite definition, know more about the etymology of Rhyodacite and Teschenite. Etymology of Rhyodacite and Teschenite gives information about origin and formation of a particular rock. Know more about Formation of Rhyodacite and Formation of Teschenite. The etymology of Rhyodacite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite while that of Teschenite is Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyodacite and Teschenite belong to Igneous Rocks. The sub-class, group and other categories of Rhyodacite and Teschenite are listed below.

For Rhyodacite,

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

For Teschenite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Coarse grained rock and Opaque rock