Tonalite and Ignimbrite Definition

Definition of Tonalite and Ignimbrite

The general Tonalite and Ignimbrite 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, Ignimbrite is a volcanic rock consisting mainly of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows. Along with definition of Tonalite and Ignimbrite, get to know about Properties of Tonalite and Ignimbrite. Get to know more information about Tonalite and Ignimbrite origin and discoverer, etymology and class.

History of Tonalite and Ignimbrite

The history of Tonalite and Ignimbrite 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 Ignimbrite Origin and Discoverer

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

Etymology of Tonalite and Ignimbrite

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

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