Pseudotachylite and Trondhjemite Definition

Definition of Pseudotachylite and Trondhjemite

The general Pseudotachylite and Trondhjemite definition can be stated as: Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. On the other hand, Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. Along with definition of Pseudotachylite and Trondhjemite, get to know about Properties of Pseudotachylite and Trondhjemite. Get to know more information about Pseudotachylite and Trondhjemite origin and discoverer, etymology and class.

History of Pseudotachylite and Trondhjemite

The history of Pseudotachylite and Trondhjemite 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.

Pseudotachylite and Trondhjemite Origin and Discoverer

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

Etymology of Pseudotachylite and Trondhjemite

Along with Pseudotachylite and Trondhjemite definition, know more about the etymology of Pseudotachylite and Trondhjemite. Etymology of Pseudotachylite and Trondhjemite gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Trondhjemite. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Trondhjemite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pseudotachylite belongs to Metamorphic Rocks while Trondhjemite belongs to Igneous Rocks. The sub-class, group and other categories of Pseudotachylite and Trondhjemite are listed below.

For Pseudotachylite,

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

For Trondhjemite,

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