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Dacite
Dacite

Pseudotachylite
Pseudotachylite



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Pseudotachylite

Dacite and Pseudotachylite Definition

1 Definition
1.1 Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite
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
Romania and Moldova, Europe
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described
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, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Dacite and Pseudotachylite

The general Dacite and Pseudotachylite definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. 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 Dacite and Pseudotachylite, get to know about Properties of Dacite and Pseudotachylite. Get to know more information about Dacite and Pseudotachylite origin and discoverer, etymology and class.

History of Dacite and Pseudotachylite

The history of Dacite 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.

Dacite and Pseudotachylite Origin and Discoverer

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

Etymology of Dacite and Pseudotachylite

Along with Dacite and Pseudotachylite definition, know more about the etymology of Dacite and Pseudotachylite. Etymology of Dacite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Dacite and Formation of Pseudotachylite. The etymology of Dacite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described while that of Pseudotachylite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dacite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Dacite and Pseudotachylite are listed below.

For Dacite,

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