Tonalite and Chert Definition
Definition
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
  
Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture
  
History
  
  
Origin
Tonale, Italy
  
Unknown
  
Discoverer
Unknown
  
Unknown
  
Etymology
From Tonale Pass, northern Italy, + -ite1
  
From flint-like quartz, 1670s, of unknown origin- a local term, which has been taken into geological use
  
Class
Igneous Rocks
  
Sedimentary Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Hard Rock
  
Family
  
  
Group
Plutonic
  
Not Applicable
  
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Definition of Tonalite and Chert
The general Tonalite and Chert definition can be stated as: Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. On the other hand, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Tonalite and Chert, get to know about Properties of Tonalite and Chert. Get to know more information about Tonalite and Chert origin and discoverer, etymology and class.
History of Tonalite and Chert
The history of Tonalite and Chert 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.
Tonalite and Chert Origin and Discoverer
Tonalite and Chert definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tonalite and Chert. In this section, you will know about Tonalite and Chert Origin and Discoverer. Origin of Tonalite is Tonale, Italy whereas Origin of Chert is Unknown. It is interesting to know the name of Tonalite and Chert discoverer. The discoverer of Tonalite and Chert are Unknown.
Etymology of Tonalite and Chert
Along with Tonalite and Chert definition, know more about the etymology of Tonalite and Chert. Etymology of Tonalite and Chert gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Chert. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Chert is From Tonale Pass, northern Italy, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tonalite belongs to Igneous Rocks while Chert belongs to Sedimentary Rocks. The sub-class, group and other categories of Tonalite and Chert are listed below.
For Tonalite,
- Sub-class: Durable Rock and Hard Rock
- Group: Plutonic
- Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock
For Chert,
- Sub-class: Durable Rock and Hard Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock