Chert and Essexite  Definition

Definition of Chert and Essexite 

The general Chert and Essexite  definition can be stated as: Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. 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 Chert and Essexite , get to know about Properties of Chert and Essexite . Get to know more information about Chert and Essexite  origin and discoverer, etymology and class.

History of Chert and Essexite 

The history of Chert 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.

Chert and Essexite  Origin and Discoverer

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

Etymology of Chert and Essexite 

Along with Chert and Essexite  definition, know more about the etymology of Chert and Essexite . Etymology of Chert and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Chert and Formation of Essexite . The etymology of Chert is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use while that of Essexite  is From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chert belongs to Sedimentary Rocks while Essexite  belongs to Igneous Rocks. The sub-class, group and other categories of Chert and Essexite  are listed below.

For Chert,

• Sub-class: Durable Rock and Hard 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