Pseudotachylite and Nepheline Syenite Definition

Definition of Pseudotachylite and Nepheline Syenite

The general Pseudotachylite and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Pseudotachylite and Nepheline Syenite, get to know about Properties of Pseudotachylite and Nepheline Syenite. Get to know more information about Pseudotachylite and Nepheline Syenite origin and discoverer, etymology and class.

History of Pseudotachylite and Nepheline Syenite

The history of Pseudotachylite and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Pseudotachylite and Nepheline Syenite

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

For Pseudotachylite,

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

For Nepheline Syenite,

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