Phonolite and Pseudotachylite Definition

Definition of Phonolite and Pseudotachylite

The general Phonolite and Pseudotachylite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. 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 Phonolite and Pseudotachylite, get to know about Properties of Phonolite and Pseudotachylite. Get to know more information about Phonolite and Pseudotachylite origin and discoverer, etymology and class.

History of Phonolite and Pseudotachylite

The history of Phonolite 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.

Phonolite and Pseudotachylite Origin and Discoverer

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

Etymology of Phonolite and Pseudotachylite

Along with Phonolite and Pseudotachylite definition, know more about the etymology of Phonolite and Pseudotachylite. Etymology of Phonolite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Pseudotachylite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Pseudotachylite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Phonolite and Pseudotachylite are listed below.

For Phonolite,

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