Nephelinite and Chert Definition

Definition of Nephelinite and Chert

The general Nephelinite and Chert definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Nephelinite and Chert, get to know about Properties of Nephelinite and Chert. Get to know more information about Nephelinite and Chert origin and discoverer, etymology and class.

History of Nephelinite and Chert

The history of Nephelinite and Chert 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.

Nephelinite and Chert Origin and Discoverer

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

Etymology of Nephelinite and Chert

Along with Nephelinite and Chert definition, know more about the etymology of Nephelinite and Chert. Etymology of Nephelinite and Chert gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Chert. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Chert is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks. The sub-class, group and other categories of Nephelinite and Chert are listed below.

For Nephelinite,

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

For Chert,

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