Tonalite and Foidolite Definition

Definition of Tonalite and Foidolite

The general Tonalite and Foidolite 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, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Tonalite and Foidolite, get to know about Properties of Tonalite and Foidolite. Get to know more information about Tonalite and Foidolite origin and discoverer, etymology and class.

History of Tonalite and Foidolite

The history of Tonalite and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Tonalite and Foidolite

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

• Sub-class: Durable Rock and Soft Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock