Chert and Anthracite Definition

Definition of Chert and Anthracite

The general Chert and Anthracite 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, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Chert and Anthracite, get to know about Properties of Chert and Anthracite. Get to know more information about Chert and Anthracite origin and discoverer, etymology and class.

History of Chert and Anthracite

The history of Chert and Anthracite 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 Anthracite Origin and Discoverer

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

Etymology of Chert and Anthracite

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

For Chert,

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

For Anthracite,

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