Chalk and Pyrolite Definition

Definition of Chalk and Pyrolite

The general Chalk and Pyrolite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt. Along with definition of Chalk and Pyrolite, get to know about Properties of Chalk and Pyrolite. Get to know more information about Chalk and Pyrolite origin and discoverer, etymology and class.

History of Chalk and Pyrolite

The history of Chalk and Pyrolite 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 Pyrolite Origin and Discoverer

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

Etymology of Chalk and Pyrolite

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

For Chalk,

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

For Pyrolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock