Pseudotachylite and Foidolite Definition

Definition of Pseudotachylite and Foidolite

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

History of Pseudotachylite and Foidolite

The history of Pseudotachylite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Pseudotachylite and Foidolite

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

For Pseudotachylite,

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

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