Chalk and Pseudotachylite Definition

Definition of Chalk and Pseudotachylite

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

History of Chalk and Pseudotachylite

The history of Chalk 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.

Chalk and Pseudotachylite Origin and Discoverer

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

Etymology of Chalk and Pseudotachylite

Along with Chalk and Pseudotachylite definition, know more about the etymology of Chalk and Pseudotachylite. Etymology of Chalk and Pseudotachylite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Pseudotachylite. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Pseudotachylite is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk belongs to Sedimentary Rocks while Pseudotachylite belongs to Metamorphic Rocks. The sub-class, group and other categories of Chalk and Pseudotachylite are listed below.

For Chalk,

• Sub-class: Durable Rock and Soft 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