Chert and Adakite Definition

Definition of Chert and Adakite

The general Chert and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Chert and Adakite, get to know about Properties of Chert and Adakite. Get to know more information about Chert and Adakite origin and discoverer, etymology and class.

History of Chert and Adakite

The history of Chert and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Chert and Adakite

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

For Chert,

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

For Adakite,

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