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Tonalite
Tonalite

Rhyodacite
Rhyodacite



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Tonalite and Rhyodacite Definition

1 Definition
1.1 Definition
Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite
1.2 History
1.2.1 Origin
Tonale, Italy
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Tonale Pass, northern Italy, + -ite1
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Tonalite and Rhyodacite

The general Tonalite and Rhyodacite 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, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Tonalite and Rhyodacite, get to know about Properties of Tonalite and Rhyodacite. Get to know more information about Tonalite and Rhyodacite origin and discoverer, etymology and class.

History of Tonalite and Rhyodacite

The history of Tonalite and Rhyodacite 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 Rhyodacite Origin and Discoverer

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

Etymology of Tonalite and Rhyodacite

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

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