Chalk and Mylonite Definition

Definition of Chalk and Mylonite

The general Chalk and Mylonite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Along with definition of Chalk and Mylonite, get to know about Properties of Chalk and Mylonite. Get to know more information about Chalk and Mylonite origin and discoverer, etymology and class.

History of Chalk and Mylonite

The history of Chalk and Mylonite 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 Mylonite Origin and Discoverer

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

Etymology of Chalk and Mylonite

Along with Chalk and Mylonite definition, know more about the etymology of Chalk and Mylonite. Etymology of Chalk and Mylonite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Mylonite. 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 Mylonite 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 Mylonite belongs to Metamorphic Rocks. The sub-class, group and other categories of Chalk and Mylonite are listed below.

For Chalk,

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

For Mylonite,

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