Phonolite and Phyllite Definition

Definition of Phonolite and Phyllite

The general Phonolite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Phonolite and Phyllite, get to know about Properties of Phonolite and Phyllite. Get to know more information about Phonolite and Phyllite origin and discoverer, etymology and class.

History of Phonolite and Phyllite

The history of Phonolite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Phonolite and Phyllite

Along with Phonolite and Phyllite definition, know more about the etymology of Phonolite and Phyllite. Etymology of Phonolite and Phyllite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Phyllite. 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 Phyllite 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 belongs to Igneous Rocks while Phyllite belongs to Metamorphic Rocks. The sub-class, group and other categories of Phonolite and Phyllite 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 Phyllite,

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