Home
Compare Rocks


Chert and Dacite Definition


Dacite and Chert Definition


Definition

Definition
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
Unknown   
Romania and Moldova, Europe   

Discoverer
Unknown   
Unknown   

Etymology
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use   
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
<< Summary

Definition of Chert and Dacite

The general Chert and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Chert and Dacite, get to know about Properties of Chert and Dacite. Get to know more information about Chert and Dacite origin and discoverer, etymology and class.

Compare Sedimentary Rocks

History of Chert and Dacite

The history of Chert and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Chert and Dacite

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

For Chert,

For Dacite,

Fossil Rocks

Fossil Rocks

» More Fossil Rocks

Compare Sedimentary Rocks

» More Compare Sedimentary Rocks