Tonalite and Felsite Definition

Definition of Tonalite and Felsite

The general Tonalite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Tonalite and Felsite, get to know about Properties of Tonalite and Felsite. Get to know more information about Tonalite and Felsite origin and discoverer, etymology and class.

History of Tonalite and Felsite

The history of Tonalite and Felsite 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 Felsite Origin and Discoverer

Tonalite and Felsite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tonalite and Felsite. In this section, you will know about Tonalite and Felsite Origin and Discoverer. Origin of Tonalite is Tonale, Italy whereas Origin of Felsite is . It is interesting to know the name of Tonalite and Felsite discoverer. The Discoverer of Tonalite is Warren Hamilton and the discoverer of Felsite is Unknown.

Etymology of Tonalite and Felsite

Along with Tonalite and Felsite definition, know more about the etymology of Tonalite and Felsite. Etymology of Tonalite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Tonalite and Formation of Felsite. The etymology of Tonalite is From Tonale Pass, northern Italy, + -ite1 while that of Felsite 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 and Felsite belong to Igneous Rocks. The sub-class, group and other categories of Tonalite and Felsite 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 Felsite,

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