Chert and Norite Definition

Definition of Chert and Norite

The general Chert and Norite 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, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Chert and Norite, get to know about Properties of Chert and Norite. Get to know more information about Chert and Norite origin and discoverer, etymology and class.

History of Chert and Norite

The history of Chert and Norite 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 Norite Origin and Discoverer

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

Etymology of Chert and Norite

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

For Chert,

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

For Norite,

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