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Tonalite
Tonalite

Pseudotachylite
Pseudotachylite



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Tonalite and Pseudotachylite Definition

1 Definition
1.1 Definition
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
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
Tonale, Italy
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Tonale Pass, northern Italy, + -ite1
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
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Tonalite and Pseudotachylite

The general Tonalite and Pseudotachylite definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. 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 Tonalite and Pseudotachylite, get to know about Properties of Tonalite and Pseudotachylite. Get to know more information about Tonalite and Pseudotachylite origin and discoverer, etymology and class.

History of Tonalite and Pseudotachylite

The history of Tonalite 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.

Tonalite and Pseudotachylite Origin and Discoverer

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

Etymology of Tonalite and Pseudotachylite

Along with Tonalite and Pseudotachylite definition, know more about the etymology of Tonalite and Pseudotachylite. Etymology of Tonalite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Pseudotachylite. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Pseudotachylite is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Tonalite and Pseudotachylite are listed below.

For Tonalite,

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