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Migmatite
Migmatite

Pseudotachylite
Pseudotachylite



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Migmatite
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Pseudotachylite

Migmatite and Pseudotachylite Definition

1 Definition
1.1 Definition
Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components
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
Southern Alps, France
USA
1.2.2 Discoverer
Jakob Sederholm
Unknown
1.3 Etymology
From the Greek word migma which means a mixture
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
1.4 Class
Metamorphic Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Migmatite and Pseudotachylite

The general Migmatite and Pseudotachylite definition can be stated as: Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. 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 Migmatite and Pseudotachylite, get to know about Properties of Migmatite and Pseudotachylite. Get to know more information about Migmatite and Pseudotachylite origin and discoverer, etymology and class.

History of Migmatite and Pseudotachylite

The history of Migmatite 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.

Migmatite and Pseudotachylite Origin and Discoverer

Migmatite and Pseudotachylite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Migmatite and Pseudotachylite. In this section, you will know about Migmatite and Pseudotachylite Origin and Discoverer. Origin of Migmatite is Southern Alps, France whereas Origin of Pseudotachylite is USA. It is interesting to know the name of Migmatite and Pseudotachylite discoverer. The Discoverer of Migmatite is Jakob Sederholm and the discoverer of Pseudotachylite is Unknown.

Etymology of Migmatite and Pseudotachylite

Along with Migmatite and Pseudotachylite definition, know more about the etymology of Migmatite and Pseudotachylite. Etymology of Migmatite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Migmatite and Formation of Pseudotachylite. The etymology of Migmatite is From the Greek word migma which means a mixture while that of Pseudotachylite is From the Greek word migma which means a mixture. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Migmatite and Pseudotachylite belong to Metamorphic Rocks. The sub-class, group and other categories of Migmatite and Pseudotachylite are listed below.

For Migmatite,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Not applicable
  • 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