Phonolite and Hornblendite Definition

Definition of Phonolite and Hornblendite

The general Phonolite and Hornblendite definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. On the other hand, Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. Along with definition of Phonolite and Hornblendite, get to know about Properties of Phonolite and Hornblendite. Get to know more information about Phonolite and Hornblendite origin and discoverer, etymology and class.

History of Phonolite and Hornblendite

The history of Phonolite and Hornblendite 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.

Phonolite and Hornblendite Origin and Discoverer

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

Etymology of Phonolite and Hornblendite

Along with Phonolite and Hornblendite definition, know more about the etymology of Phonolite and Hornblendite. Etymology of Phonolite and Hornblendite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Hornblendite. The etymology of Phonolite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Hornblendite is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Hornblendite belong to Igneous Rocks. The sub-class, group and other categories of Phonolite and Hornblendite are listed below.

For Phonolite,

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

For Hornblendite,

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