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Rhyolite
Rhyolite

Pseudotachylite
Pseudotachylite



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Rhyolite and Pseudotachylite Definition

1 Definition
1.1 Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
1.2 History
1.2.1 Origin
North America
USA
1.2.2 Discoverer
Ferdinand von Richthofen
Unknown
1.3 Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Rhyolite and Pseudotachylite

The general Rhyolite and Pseudotachylite definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Rhyolite and Pseudotachylite, get to know about Properties of Rhyolite and Pseudotachylite. Get to know more information about Rhyolite and Pseudotachylite origin and discoverer, etymology and class.

History of Rhyolite and Pseudotachylite

The history of Rhyolite and Pseudotachylite 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.

Rhyolite and Pseudotachylite Origin and Discoverer

Rhyolite and Pseudotachylite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyolite and Pseudotachylite. In this section, you will know about Rhyolite and Pseudotachylite Origin and Discoverer. Origin of Rhyolite is North America whereas Origin of Pseudotachylite is USA. It is interesting to know the name of Rhyolite and Pseudotachylite discoverer. The Discoverer of Rhyolite is Ferdinand von Richthofen and the discoverer of Pseudotachylite is Unknown.

Etymology of Rhyolite and Pseudotachylite

Along with Rhyolite and Pseudotachylite definition, know more about the etymology of Rhyolite and Pseudotachylite. Etymology of Rhyolite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Pseudotachylite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Pseudotachylite is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Rhyolite and Pseudotachylite are listed below.

For Rhyolite,

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

For Pseudotachylite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock