Tonalite and Phyllite Definition

Definition of Tonalite and Phyllite

The general Tonalite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Tonalite and Phyllite, get to know about Properties of Tonalite and Phyllite. Get to know more information about Tonalite and Phyllite origin and discoverer, etymology and class.

History of Tonalite and Phyllite

The history of Tonalite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Tonalite and Phyllite

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

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock