Chert and Nephelinite Definition

Definition of Chert and Nephelinite

The general Chert and Nephelinite 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, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Chert and Nephelinite, get to know about Properties of Chert and Nephelinite. Get to know more information about Chert and Nephelinite origin and discoverer, etymology and class.

History of Chert and Nephelinite

The history of Chert and Nephelinite 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 Nephelinite Origin and Discoverer

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

Etymology of Chert and Nephelinite

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

For Chert,

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

For Nephelinite,

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