Chalk and Essexite  Definition

Definition of Chalk and Essexite 

The general Chalk and Essexite  definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Chalk and Essexite , get to know about Properties of Chalk and Essexite . Get to know more information about Chalk and Essexite  origin and discoverer, etymology and class.

History of Chalk and Essexite 

The history of Chalk and Essexite  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 Essexite  Origin and Discoverer

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

Etymology of Chalk and Essexite 

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

For Chalk,

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

For Essexite ,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock