Nephelinite and Pseudotachylite Definition

Definition of Nephelinite and Pseudotachylite

The general Nephelinite and Pseudotachylite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. 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 Nephelinite and Pseudotachylite, get to know about Properties of Nephelinite and Pseudotachylite. Get to know more information about Nephelinite and Pseudotachylite origin and discoverer, etymology and class.

History of Nephelinite and Pseudotachylite

The history of Nephelinite 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.

Nephelinite and Pseudotachylite Origin and Discoverer

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

Etymology of Nephelinite and Pseudotachylite

Along with Nephelinite and Pseudotachylite definition, know more about the etymology of Nephelinite and Pseudotachylite. Etymology of Nephelinite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Pseudotachylite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Pseudotachylite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Nephelinite and Pseudotachylite are listed below.

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine 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