Foidolite and Pseudotachylite Definition

Definition of Foidolite and Pseudotachylite

The general Foidolite and Pseudotachylite definition can be stated as: Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. 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 Foidolite and Pseudotachylite, get to know about Properties of Foidolite and Pseudotachylite. Get to know more information about Foidolite and Pseudotachylite origin and discoverer, etymology and class.

History of Foidolite and Pseudotachylite

The history of Foidolite 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.

Foidolite and Pseudotachylite Origin and Discoverer

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

Etymology of Foidolite and Pseudotachylite

Along with Foidolite and Pseudotachylite definition, know more about the etymology of Foidolite and Pseudotachylite. Etymology of Foidolite and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Pseudotachylite. The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Pseudotachylite is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Foidolite and Pseudotachylite are listed below.

For Foidolite,

• Sub-class: Durable Rock and Soft Rock
• Group: Plutonic
• 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