Pseudotachylite and Chalk Definition

Definition of Pseudotachylite and Chalk

The general Pseudotachylite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Pseudotachylite and Chalk, get to know about Properties of Pseudotachylite and Chalk. Get to know more information about Pseudotachylite and Chalk origin and discoverer, etymology and class.

History of Pseudotachylite and Chalk

The history of Pseudotachylite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Pseudotachylite and Chalk

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

For Pseudotachylite,

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

For Chalk,

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