Home
Compare Rocks


Chert and Trachyte Definition


Trachyte and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar   

History
  
  

Discoverer
Unknown   
Alexandre Brongniart and René Just Haüy   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
From Greek trakhus rough’ or trakhutēs roughness   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Chert and Trachyte

The general Chert and Trachyte 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, Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar. Along with definition of Chert and Trachyte, get to know about Properties of Chert and Trachyte. Get to know more information about Chert and Trachyte origin and discoverer, etymology and class.

Compare Sedimentary Rocks

History of Chert and Trachyte

The history of Chert and Trachyte 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 Trachyte Origin and Discoverer

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

Etymology of Chert and Trachyte

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

For Chert,

For Trachyte,

Fossil Rocks

Fossil Rocks

» More Fossil Rocks

Compare Sedimentary Rocks

» More Compare Sedimentary Rocks