Pumice and Tonalite Definition

Definition of Pumice and Tonalite

The general Pumice and Tonalite definition can be stated as: Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Pumice and Tonalite, get to know about Properties of Pumice and Tonalite. Get to know more information about Pumice and Tonalite origin and discoverer, etymology and class.

History of Pumice and Tonalite

The history of Pumice and Tonalite 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.

Pumice and Tonalite Origin and Discoverer

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

Etymology of Pumice and Tonalite

Along with Pumice and Tonalite definition, know more about the etymology of Pumice and Tonalite. Etymology of Pumice and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Pumice and Formation of Tonalite. The etymology of Pumice is From Old French pomis, from a Latin dialect variant of pumex while that of Tonalite is From Old French pomis, from a Latin dialect variant of pumex. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pumice and Tonalite belong to Igneous Rocks. The sub-class, group and other categories of Pumice and Tonalite are listed below.

For Pumice,

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

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