Chert and Amphibolite Definition

Definition of Chert and Amphibolite

The general Chert and Amphibolite 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, Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. Along with definition of Chert and Amphibolite, get to know about Properties of Chert and Amphibolite. Get to know more information about Chert and Amphibolite origin and discoverer, etymology and class.

History of Chert and Amphibolite

The history of Chert and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Chert and Amphibolite

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

For Chert,

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

For Amphibolite,

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