Chert and Tephrite Definition

Definition of Chert and Tephrite

The general Chert and Tephrite 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, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Chert and Tephrite, get to know about Properties of Chert and Tephrite. Get to know more information about Chert and Tephrite origin and discoverer, etymology and class.

History of Chert and Tephrite

The history of Chert and Tephrite 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 Tephrite Origin and Discoverer

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

Etymology of Chert and Tephrite

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

For Chert,

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

For Tephrite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock